Home / 10,337.76-15,439.28-8,260.92

Finding the Fourth Proportional to 10,337.76, 15,439.28 and 8,260.92

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Solution

The fourth proportional to 10,337.76, 15,439.28 and 8,260.92 is: 12,337.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,337.76 : 15,439.28 = 8,260.92 : x
  2. Step 2: Convert to fraction form
    10,337.76/15,439.28 = 8,260.92/x
  3. Step 3: Cross multiply
    10,337.76x = 15,439.28 × 8,260.92
  4. Step 4: Simplify right side
    10,337.76x = 127,542,615.63
  5. Step 5: Solve for x
    x = 127,542,615.63/10,337.76
  6. Step 6: Final answer
    x = 12,337.55

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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.