The constant proportionality is - 3.
Constant proportionality can be defined as the constant value of the ratio between two proportional quantities. The value of the constant of the proportionality is dependent on the type of proportion between two given quantities.
According to the question,
Devon and her cousins get together every Sunday. Devon is in charge of making fresh-squeezed orange juice this week.
A proportional relationship is being taken place between the number of oranges Devon squeezes and the amount of juice (in ounces) she makes.
By using the division method, we get
6 ÷ 2 = 3
9 ÷ 3 = 3
12 ÷ 4 = 3
18 ÷ 6=3
So, the constant proportionality is - 3.
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