Home / 11,073.20-16,635.40-7,617.20

Finding the Fourth Proportional to 11,073.20, 16,635.40 and 7,617.20

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Solution

The fourth proportional to 11,073.20, 16,635.40 and 7,617.20 is: 11,443.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,073.20 : 16,635.40 = 7,617.20 : x
  2. Step 2: Convert to fraction form
    11,073.20/16,635.40 = 7,617.20/x
  3. Step 3: Cross multiply
    11,073.20x = 16,635.40 × 7,617.20
  4. Step 4: Simplify right side
    11,073.20x = 126,715,168.88
  5. Step 5: Solve for x
    x = 126,715,168.88/11,073.20
  6. Step 6: Final answer
    x = 11,443.41

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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.