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Finding the Fourth Proportional to 8,358.98, 12,538.53 and 6,797.16

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Solution

The fourth proportional to 8,358.98, 12,538.53 and 6,797.16 is: 10,195.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,358.98 : 12,538.53 = 6,797.16 : x
  2. Step 2: Convert to fraction form
    8,358.98/12,538.53 = 6,797.16/x
  3. Step 3: Cross multiply
    8,358.98x = 12,538.53 × 6,797.16
  4. Step 4: Simplify right side
    8,358.98x = 85,226,394.57
  5. Step 5: Solve for x
    x = 85,226,394.57/8,358.98
  6. Step 6: Final answer
    x = 10,195.79

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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.