Home / 10,961.28-16,441.86-3,170.04

Finding the Fourth Proportional to 10,961.28, 16,441.86 and 3,170.04

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Solution

The fourth proportional to 10,961.28, 16,441.86 and 3,170.04 is: 4,755.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,961.28 : 16,441.86 = 3,170.04 : x
  2. Step 2: Convert to fraction form
    10,961.28/16,441.86 = 3,170.04/x
  3. Step 3: Cross multiply
    10,961.28x = 16,441.86 × 3,170.04
  4. Step 4: Simplify right side
    10,961.28x = 52,121,353.87
  5. Step 5: Solve for x
    x = 52,121,353.87/10,961.28
  6. Step 6: Final answer
    x = 4,755.04

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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.