4.2.1: Understanding Proportions - Mathematics LibreTexts
https://math.libretexts.org/Bookshelves/Applied_Mathematics/Developmental_Math_(NROC)/04%3A_Ratios_Rates_and_Proportions/4.02%3A_Proportions/4.2.01%3A_Understanding_Proportions
WebIf you know one ratio in a proportion, you can use that information to find values in the other equivalent ratio. Using proportions can help you solve problems such as increasing a recipe to feed a larger crowd of people, creating a design with certain consistent features, or enlarging or reducing an image to scale.
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