Home / 11,752.56-17,629.98-3,432.66

Finding the Fourth Proportional to 11,752.56, 17,629.98 and 3,432.66

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Solution

The fourth proportional to 11,752.56, 17,629.98 and 3,432.66 is: 5,149.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,752.56 : 17,629.98 = 3,432.66 : x
  2. Step 2: Convert to fraction form
    11,752.56/17,629.98 = 3,432.66/x
  3. Step 3: Cross multiply
    11,752.56x = 17,629.98 × 3,432.66
  4. Step 4: Simplify right side
    11,752.56x = 60,517,727.15
  5. Step 5: Solve for x
    x = 60,517,727.15/11,752.56
  6. Step 6: Final answer
    x = 5,149.32

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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.