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IgorLugansk [536]
3 years ago
5

Solve the proportional equation 5/12 = x/15

Mathematics
2 answers:
xeze [42]3 years ago
4 0

Answer: 6.25.

Step-by-step explanation:

Let's put your question into a proper proportional form, because it is a ratio that is equal.

\frac{5}{12} = \frac{x}{15}

To solve proportions, you have to cross-multiply in the direction that has numbers, which is 5 and 15, then divide to 12.

5 * 15 / 12 = 6.25

The answer you should get by doing this is 6.25.

marishachu [46]3 years ago
3 0

Answer:

x=6.25

Step-by-step explanation:

Cross multiply

5/12=x/15

12*x=15*5

12x=75

Divide both sides by 12 to isolate the variable x

x=6.25

Or, multiply both sides by 15 to "reverse" the division being done to x

5/12=x/15

15*5/12=x/15*15

6.25=x

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