4. Ratio & Proportion
4.07 Identifying the constant of proportionality
Interactive practice questions
A car moves uniformly at the same speed. The duration of the journey is proportional to the distance traveled.
a
Complete the following table:
| Distance (in km) | $73$73 | $146$146 | $219$219 | $\editable{}$ |
|---|---|---|---|---|
| Time (in hours) | $1$1 | $\editable{}$ | $\editable{}$ | $5$5 |
b
What is the constant of proportionality in the table above?
Easy
1min
In the following proportionality table, the second row is obtained by multiplying the top row by the constant of proportionality. Complete the table and find that constant.
Easy
1min
Identify the constant of proportionality in the equation $a=19.5b$a=19.5b.
Medium
< 1min
Tracy realizes that when she listens to her favorite radio station that they play $36$36 songs in $9$9 hours, and they play $72$72 songs in $18$18 hours.
Medium
< 1min
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