Home / 10,519.20-15,835.78-9,600.66

Finding the Fourth Proportional to 10,519.20, 15,835.78 and 9,600.66

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Solution

The fourth proportional to 10,519.20, 15,835.78 and 9,600.66 is: 14,452.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,519.20 : 15,835.78 = 9,600.66 : x
  2. Step 2: Convert to fraction form
    10,519.20/15,835.78 = 9,600.66/x
  3. Step 3: Cross multiply
    10,519.20x = 15,835.78 × 9,600.66
  4. Step 4: Simplify right side
    10,519.20x = 152,033,939.61
  5. Step 5: Solve for x
    x = 152,033,939.61/10,519.20
  6. Step 6: Final answer
    x = 14,452.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.