Home / 7,432.80-11,149.20-2,502.60

Finding the Fourth Proportional to 7,432.80, 11,149.20 and 2,502.60

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Solution

The fourth proportional to 7,432.80, 11,149.20 and 2,502.60 is: 3,753.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,432.80 : 11,149.20 = 2,502.60 : x
  2. Step 2: Convert to fraction form
    7,432.80/11,149.20 = 2,502.60/x
  3. Step 3: Cross multiply
    7,432.80x = 11,149.20 × 2,502.60
  4. Step 4: Simplify right side
    7,432.80x = 27,901,987.92
  5. Step 5: Solve for x
    x = 27,901,987.92/7,432.80
  6. Step 6: Final answer
    x = 3,753.90

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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.