Finding the Fourth Proportional to 11,170,126.53, 15,416,022.75 and 6,762,280.92
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Solution
The fourth proportional to 11,170,126.53, 15,416,022.75 and 6,762,280.92 is: 9,332,703.28
Step by Step Solution
- Step 1: Write the proportion equation
11,170,126.53 : 15,416,022.75 = 6,762,280.92 : x - Step 2: Convert to fraction form
11,170,126.53/15,416,022.75 = 6,762,280.92/x - Step 3: Cross multiply
11,170,126.53x = 15,416,022.75 × 6,762,280.92 - Step 4: Simplify right side
11,170,126.53x = 104,247,476,504,610.92 - Step 5: Solve for x
x = 104,247,476,504,610.92/11,170,126.53 - Step 6: Final answer
x = 9,332,703.28
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.