Home / 9,678.62-14,517.94-2,753.12

Finding the Fourth Proportional to 9,678.62, 14,517.94 and 2,753.12

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Solution

The fourth proportional to 9,678.62, 14,517.94 and 2,753.12 is: 4,129.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,678.62 : 14,517.94 = 2,753.12 : x
  2. Step 2: Convert to fraction form
    9,678.62/14,517.94 = 2,753.12/x
  3. Step 3: Cross multiply
    9,678.62x = 14,517.94 × 2,753.12
  4. Step 4: Simplify right side
    9,678.62x = 39,969,630.97
  5. Step 5: Solve for x
    x = 39,969,630.97/9,678.62
  6. Step 6: Final answer
    x = 4,129.68

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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.