Home / 11,862.20-17,793.30-9,932.60

Finding the Fourth Proportional to 11,862.20, 17,793.30 and 9,932.60

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Solution

The fourth proportional to 11,862.20, 17,793.30 and 9,932.60 is: 14,898.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,862.20 : 17,793.30 = 9,932.60 : x
  2. Step 2: Convert to fraction form
    11,862.20/17,793.30 = 9,932.60/x
  3. Step 3: Cross multiply
    11,862.20x = 17,793.30 × 9,932.60
  4. Step 4: Simplify right side
    11,862.20x = 176,733,731.58
  5. Step 5: Solve for x
    x = 176,733,731.58/11,862.20
  6. Step 6: Final answer
    x = 14,898.90

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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.