Home / 11,453.46-17,180.20-3,132.86

Finding the Fourth Proportional to 11,453.46, 17,180.20 and 3,132.86

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Solution

The fourth proportional to 11,453.46, 17,180.20 and 3,132.86 is: 4,699.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,453.46 : 17,180.20 = 3,132.86 : x
  2. Step 2: Convert to fraction form
    11,453.46/17,180.20 = 3,132.86/x
  3. Step 3: Cross multiply
    11,453.46x = 17,180.20 × 3,132.86
  4. Step 4: Simplify right side
    11,453.46x = 53,823,169.20
  5. Step 5: Solve for x
    x = 53,823,169.20/11,453.46
  6. Step 6: Final answer
    x = 4,699.29

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Similar ratio
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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.