Home / 11,156.79-16,737.66-3,761.31

Finding the Fourth Proportional to 11,156.79, 16,737.66 and 3,761.31

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Solution

The fourth proportional to 11,156.79, 16,737.66 and 3,761.31 is: 5,642.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,156.79 : 16,737.66 = 3,761.31 : x
  2. Step 2: Convert to fraction form
    11,156.79/16,737.66 = 3,761.31/x
  3. Step 3: Cross multiply
    11,156.79x = 16,737.66 × 3,761.31
  4. Step 4: Simplify right side
    11,156.79x = 62,955,527.93
  5. Step 5: Solve for x
    x = 62,955,527.93/11,156.79
  6. Step 6: Final answer
    x = 5,642.80

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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.