Respuesta :

Answer:

The ratio 4.2:1.5 is not proportional to the ratio 12.6:4.5. In order for two ratios to be proportional, their corresponding fractions should be equal.

Step-by-step explanation:

To determine if two ratios are proportional, we can cross multiply and check if the products are equal. Let's cross multiply the first ratio, 4.2:1.5, and the second ratio, 12.6:4.5:  4.2 * 4.5 = 1.5 * 12.6  The product of the first ratio is 18.9, and the product of the second ratio is 18.9 as well. Since the products are equal, we can conclude that the ratios are proportional.  To further illustrate this, let's convert the ratios to fractions:  4.2:1.5 can be written as 4.2/1.5 = 2.8/1  12.6:4.5 can be written as 12.6/4.5 = 2.8/1  Since both ratios can be simplified to 2.8/1, they are proportional.  In conclusion, the ratios 4.2:1.5 and 12.6:4.5 are proportional because their corresponding fractions are equal