Home / 9,132.02-13,687.66-3,863.74

Finding the Fourth Proportional to 9,132.02, 13,687.66 and 3,863.74

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Solution

The fourth proportional to 9,132.02, 13,687.66 and 3,863.74 is: 5,791.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,132.02 : 13,687.66 = 3,863.74 : x
  2. Step 2: Convert to fraction form
    9,132.02/13,687.66 = 3,863.74/x
  3. Step 3: Cross multiply
    9,132.02x = 13,687.66 × 3,863.74
  4. Step 4: Simplify right side
    9,132.02x = 52,885,566.90
  5. Step 5: Solve for x
    x = 52,885,566.90/9,132.02
  6. Step 6: Final answer
    x = 5,791.22

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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.