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Bookmark or Share- Worked example: Solving proportions (video) | Khan AcademyLearn the reasoning behind solving proportions. We'll put some algebra to work to get our answers, too. Created by Sal Khan and Monterey Institute for Technology and Education.
- Proportion (mathematics) - WikipediaA proportion is a mathematical statement expressing equality of two ratios. [1] [2] a and d are called extremes, b and c are called means . Proportion can be written as , where ratios are expressed as fractions . Such a proportion is known as geometrical proportion, [3] not to be confused with arithmetical proportion and harmonic proportion .
- 6.3: Introduction to Proportion - Mathematics LibreTexts6.3: Introduction to Proportion. Page ID. David Arnold. College of the Redwoods. In Section 6.1, we introduced the concepts or ratio and rate. In this section, we equate these ratios in a construct called a proportion.
- Proportions - Math is FunProportions. Proportion says that two ratios (or fractions) are equal. Example: We see that 1-out-of-3 is equal to 2-out-of-6. The ratios are the same, so they are in proportion. Example: Rope. A rope's length and weight are in proportion. When 20m of rope weighs 1kg , then: 40m of that rope weighs 2kg. 200m of that rope weighs 10kg. etc. So:
- 7.2: Proportions - Mathematics LibreTextsMany practical problems can be solved by writing the given information as proportions. Such proportions will be composed of three specified numbers and one unknown number. It is customary to let a letter, such as \(x\), represent the unknown number. An example of such a proportion is \(\dfrac{x}{4} = \dfrac{20}{16}\)
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