Home / 11,156.38-16,734.62-3,760.90

Finding the Fourth Proportional to 11,156.38, 16,734.62 and 3,760.90

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Solution

The fourth proportional to 11,156.38, 16,734.62 and 3,760.90 is: 5,641.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,156.38 : 16,734.62 = 3,760.90 : x
  2. Step 2: Convert to fraction form
    11,156.38/16,734.62 = 3,760.90/x
  3. Step 3: Cross multiply
    11,156.38x = 16,734.62 × 3,760.90
  4. Step 4: Simplify right side
    11,156.38x = 62,937,232.36
  5. Step 5: Solve for x
    x = 62,937,232.36/11,156.38
  6. Step 6: Final answer
    x = 5,641.37

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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.