Home / 11,451.22-17,177.91-3,658.18

Finding the Fourth Proportional to 11,451.22, 17,177.91 and 3,658.18

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Solution

The fourth proportional to 11,451.22, 17,177.91 and 3,658.18 is: 5,487.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,451.22 : 17,177.91 = 3,658.18 : x
  2. Step 2: Convert to fraction form
    11,451.22/17,177.91 = 3,658.18/x
  3. Step 3: Cross multiply
    11,451.22x = 17,177.91 × 3,658.18
  4. Step 4: Simplify right side
    11,451.22x = 62,839,886.80
  5. Step 5: Solve for x
    x = 62,839,886.80/11,451.22
  6. Step 6: Final answer
    x = 5,487.62

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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.