Proportions can only be used to solve problems where the smaller values are known and a larger value is unknown: False.
Ratio can be defined as a mathematical expression that is typically used to denote the proportion of two (2) or more quantities with respect to one another and the total quantities.
A proportion can be defined as an expression which is typically used to represent (indicate) the equality of two (2) ratios. This ultimately implies that, proportions can be used to establish that two (2) ratios are equivalent and solve for all unknown quantities.
For example, we can solve for the value of x in this proportion given below:
10:50 = x:2000
10/50 = x/2000
Cross-multiplying, we have:
50x = 2000 × 10
50x = 20000
x = 20000/50
x = 400.
In conclusion, we can infer and logically deduce that proportions can also be used to solve problems where the smaller values are known and a larger value is unknown.
Read more on proportions here: https://brainly.com/question/870035
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