Home / 11,731.38-17,600.73-3,940.53

Finding the Fourth Proportional to 11,731.38, 17,600.73 and 3,940.53

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Solution

The fourth proportional to 11,731.38, 17,600.73 and 3,940.53 is: 5,912.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,731.38 : 17,600.73 = 3,940.53 : x
  2. Step 2: Convert to fraction form
    11,731.38/17,600.73 = 3,940.53/x
  3. Step 3: Cross multiply
    11,731.38x = 17,600.73 × 3,940.53
  4. Step 4: Simplify right side
    11,731.38x = 69,356,204.59
  5. Step 5: Solve for x
    x = 69,356,204.59/11,731.38
  6. Step 6: Final answer
    x = 5,912.02

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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.