Home / 11,179.20-16,761.60-5,344.32

Finding the Fourth Proportional to 11,179.20, 16,761.60 and 5,344.32

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Solution

The fourth proportional to 11,179.20, 16,761.60 and 5,344.32 is: 8,013.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,179.20 : 16,761.60 = 5,344.32 : x
  2. Step 2: Convert to fraction form
    11,179.20/16,761.60 = 5,344.32/x
  3. Step 3: Cross multiply
    11,179.20x = 16,761.60 × 5,344.32
  4. Step 4: Simplify right side
    11,179.20x = 89,579,354.11
  5. Step 5: Solve for x
    x = 89,579,354.11/11,179.20
  6. Step 6: Final answer
    x = 8,013.04

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1.5x scale

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.