Home / 11,859.52-16,318.92-11,498.80

Finding the Fourth Proportional to 11,859.52, 16,318.92 and 11,498.80

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Solution

The fourth proportional to 11,859.52, 16,318.92 and 11,498.80 is: 15,822.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,859.52 : 16,318.92 = 11,498.80 : x
  2. Step 2: Convert to fraction form
    11,859.52/16,318.92 = 11,498.80/x
  3. Step 3: Cross multiply
    11,859.52x = 16,318.92 × 11,498.80
  4. Step 4: Simplify right side
    11,859.52x = 187,647,997.30
  5. Step 5: Solve for x
    x = 187,647,997.30/11,859.52
  6. Step 6: Final answer
    x = 15,822.56

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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.