Home / 11,898.20-17,847.30-3,132.38

Finding the Fourth Proportional to 11,898.20, 17,847.30 and 3,132.38

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Solution

The fourth proportional to 11,898.20, 17,847.30 and 3,132.38 is: 4,698.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,898.20 : 17,847.30 = 3,132.38 : x
  2. Step 2: Convert to fraction form
    11,898.20/17,847.30 = 3,132.38/x
  3. Step 3: Cross multiply
    11,898.20x = 17,847.30 × 3,132.38
  4. Step 4: Simplify right side
    11,898.20x = 55,904,436.34
  5. Step 5: Solve for x
    x = 55,904,436.34/11,898.20
  6. Step 6: Final answer
    x = 4,698.56

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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.