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Finding the Fourth Proportional to 9,358.53, 12,904.27 and 6,376.11

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Solution

The fourth proportional to 9,358.53, 12,904.27 and 6,376.11 is: 8,791.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,358.53 : 12,904.27 = 6,376.11 : x
  2. Step 2: Convert to fraction form
    9,358.53/12,904.27 = 6,376.11/x
  3. Step 3: Cross multiply
    9,358.53x = 12,904.27 × 6,376.11
  4. Step 4: Simplify right side
    9,358.53x = 82,279,044.99
  5. Step 5: Solve for x
    x = 82,279,044.99/9,358.53
  6. Step 6: Final answer
    x = 8,791.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.