Home / 10,317.38-15,468.71-7,355.88

Finding the Fourth Proportional to 10,317.38, 15,468.71 and 7,355.88

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Solution

The fourth proportional to 10,317.38, 15,468.71 and 7,355.88 is: 11,028.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,317.38 : 15,468.71 = 7,355.88 : x
  2. Step 2: Convert to fraction form
    10,317.38/15,468.71 = 7,355.88/x
  3. Step 3: Cross multiply
    10,317.38x = 15,468.71 × 7,355.88
  4. Step 4: Simplify right side
    10,317.38x = 113,785,937.74
  5. Step 5: Solve for x
    x = 113,785,937.74/10,317.38
  6. Step 6: Final answer
    x = 11,028.57

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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.