Finding the Fourth Proportional to 7.44, 11.12 and 6
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Solution
The fourth proportional to 7.44, 11.12 and 6 is: 8.97
Step by Step Solution
- Step 1: Write the proportion equation
7.44 : 11.12 = 6 : x - Step 2: Convert to fraction form
7.44/11.12 = 6/x - Step 3: Cross multiply
7.44x = 11.12 × 6 - Step 4: Simplify right side
7.44x = 66.72 - Step 5: Solve for x
x = 66.72/7.44 - Step 6: Final answer
x = 8.97
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.