Home / 10,874.85-15,007.28-6,160.04

Finding the Fourth Proportional to 10,874.85, 15,007.28 and 6,160.04

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Solution

The fourth proportional to 10,874.85, 15,007.28 and 6,160.04 is: 8,500.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,874.85 : 15,007.28 = 6,160.04 : x
  2. Step 2: Convert to fraction form
    10,874.85/15,007.28 = 6,160.04/x
  3. Step 3: Cross multiply
    10,874.85x = 15,007.28 × 6,160.04
  4. Step 4: Simplify right side
    10,874.85x = 92,445,445.09
  5. Step 5: Solve for x
    x = 92,445,445.09/10,874.85
  6. Step 6: Final answer
    x = 8,500.85

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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.