Home / 11,349.20-17,003.55-5,492.90

Finding the Fourth Proportional to 11,349.20, 17,003.55 and 5,492.90

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Solution

The fourth proportional to 11,349.20, 17,003.55 and 5,492.90 is: 8,229.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,349.20 : 17,003.55 = 5,492.90 : x
  2. Step 2: Convert to fraction form
    11,349.20/17,003.55 = 5,492.90/x
  3. Step 3: Cross multiply
    11,349.20x = 17,003.55 × 5,492.90
  4. Step 4: Simplify right side
    11,349.20x = 93,398,799.80
  5. Step 5: Solve for x
    x = 93,398,799.80/11,349.20
  6. Step 6: Final answer
    x = 8,229.55

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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.