Home / 11,023.20-16,511.04-5,171.04

Finding the Fourth Proportional to 11,023.20, 16,511.04 and 5,171.04

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Solution

The fourth proportional to 11,023.20, 16,511.04 and 5,171.04 is: 7,745.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,023.20 : 16,511.04 = 5,171.04 : x
  2. Step 2: Convert to fraction form
    11,023.20/16,511.04 = 5,171.04/x
  3. Step 3: Cross multiply
    11,023.20x = 16,511.04 × 5,171.04
  4. Step 4: Simplify right side
    11,023.20x = 85,379,248.28
  5. Step 5: Solve for x
    x = 85,379,248.28/11,023.20
  6. Step 6: Final answer
    x = 7,745.41

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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.