Home / 11,700.20-17,540.42-5,456.92

Finding the Fourth Proportional to 11,700.20, 17,540.42 and 5,456.92

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Solution

The fourth proportional to 11,700.20, 17,540.42 and 5,456.92 is: 8,180.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,700.20 : 17,540.42 = 5,456.92 : x
  2. Step 2: Convert to fraction form
    11,700.20/17,540.42 = 5,456.92/x
  3. Step 3: Cross multiply
    11,700.20x = 17,540.42 × 5,456.92
  4. Step 4: Simplify right side
    11,700.20x = 95,716,676.50
  5. Step 5: Solve for x
    x = 95,716,676.50/11,700.20
  6. Step 6: Final answer
    x = 8,180.77

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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.