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Finding the Fourth Proportional to 8,358.18, 12,526.20 and 6,974.25

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Solution

The fourth proportional to 8,358.18, 12,526.20 and 6,974.25 is: 10,452.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,358.18 : 12,526.20 = 6,974.25 : x
  2. Step 2: Convert to fraction form
    8,358.18/12,526.20 = 6,974.25/x
  3. Step 3: Cross multiply
    8,358.18x = 12,526.20 × 6,974.25
  4. Step 4: Simplify right side
    8,358.18x = 87,360,850.35
  5. Step 5: Solve for x
    x = 87,360,850.35/8,358.18
  6. Step 6: Final answer
    x = 10,452.14

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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.