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Finding the Fourth Proportional to 7,934.67, 11,906.95 and 7,195.62

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Solution

The fourth proportional to 7,934.67, 11,906.95 and 7,195.62 is: 10,797.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,934.67 : 11,906.95 = 7,195.62 : x
  2. Step 2: Convert to fraction form
    7,934.67/11,906.95 = 7,195.62/x
  3. Step 3: Cross multiply
    7,934.67x = 11,906.95 × 7,195.62
  4. Step 4: Simplify right side
    7,934.67x = 85,677,869.57
  5. Step 5: Solve for x
    x = 85,677,869.57/7,934.67
  6. Step 6: Final answer
    x = 10,797.91

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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.