Home / 9,132.46-13,632.62-8,025.31

Finding the Fourth Proportional to 9,132.46, 13,632.62 and 8,025.31

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Solution

The fourth proportional to 9,132.46, 13,632.62 and 8,025.31 is: 11,979.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,132.46 : 13,632.62 = 8,025.31 : x
  2. Step 2: Convert to fraction form
    9,132.46/13,632.62 = 8,025.31/x
  3. Step 3: Cross multiply
    9,132.46x = 13,632.62 × 8,025.31
  4. Step 4: Simplify right side
    9,132.46x = 109,406,001.61
  5. Step 5: Solve for x
    x = 109,406,001.61/9,132.46
  6. Step 6: Final answer
    x = 11,979.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.