Home / 10,076.38-13,917.05-7,569.43

Finding the Fourth Proportional to 10,076.38, 13,917.05 and 7,569.43

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Solution

The fourth proportional to 10,076.38, 13,917.05 and 7,569.43 is: 10,454.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,076.38 : 13,917.05 = 7,569.43 : x
  2. Step 2: Convert to fraction form
    10,076.38/13,917.05 = 7,569.43/x
  3. Step 3: Cross multiply
    10,076.38x = 13,917.05 × 7,569.43
  4. Step 4: Simplify right side
    10,076.38x = 105,344,091.53
  5. Step 5: Solve for x
    x = 105,344,091.53/10,076.38
  6. Step 6: Final answer
    x = 10,454.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.