Home / 7,375.92-11,061.72-5,531.28

Finding the Fourth Proportional to 7,375.92, 11,061.72 and 5,531.28

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Solution

The fourth proportional to 7,375.92, 11,061.72 and 5,531.28 is: 8,295.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,375.92 : 11,061.72 = 5,531.28 : x
  2. Step 2: Convert to fraction form
    7,375.92/11,061.72 = 5,531.28/x
  3. Step 3: Cross multiply
    7,375.92x = 11,061.72 × 5,531.28
  4. Step 4: Simplify right side
    7,375.92x = 61,185,470.60
  5. Step 5: Solve for x
    x = 61,185,470.60/7,375.92
  6. Step 6: Final answer
    x = 8,295.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.