Home / 11,249.32-15,524.50-6,213.80

Finding the Fourth Proportional to 11,249.32, 15,524.50 and 6,213.80

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Solution

The fourth proportional to 11,249.32, 15,524.50 and 6,213.80 is: 8,575.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,249.32 : 15,524.50 = 6,213.80 : x
  2. Step 2: Convert to fraction form
    11,249.32/15,524.50 = 6,213.80/x
  3. Step 3: Cross multiply
    11,249.32x = 15,524.50 × 6,213.80
  4. Step 4: Simplify right side
    11,249.32x = 96,466,138.10
  5. Step 5: Solve for x
    x = 96,466,138.10/11,249.32
  6. Step 6: Final answer
    x = 8,575.29

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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.