Home / 11,677.20-16,114.77-6,372.24

Finding the Fourth Proportional to 11,677.20, 16,114.77 and 6,372.24

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Solution

The fourth proportional to 11,677.20, 16,114.77 and 6,372.24 is: 8,793.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,677.20 : 16,114.77 = 6,372.24 : x
  2. Step 2: Convert to fraction form
    11,677.20/16,114.77 = 6,372.24/x
  3. Step 3: Cross multiply
    11,677.20x = 16,114.77 × 6,372.24
  4. Step 4: Simplify right side
    11,677.20x = 102,687,181.98
  5. Step 5: Solve for x
    x = 102,687,181.98/11,677.20
  6. Step 6: Final answer
    x = 8,793.82

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1.5x scale

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.