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Finding the Fourth Proportional to 8,626.53, 11,897.65 and 5,793.05

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Solution

The fourth proportional to 8,626.53, 11,897.65 and 5,793.05 is: 7,989.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,626.53 : 11,897.65 = 5,793.05 : x
  2. Step 2: Convert to fraction form
    8,626.53/11,897.65 = 5,793.05/x
  3. Step 3: Cross multiply
    8,626.53x = 11,897.65 × 5,793.05
  4. Step 4: Simplify right side
    8,626.53x = 68,923,681.33
  5. Step 5: Solve for x
    x = 68,923,681.33/8,626.53
  6. Step 6: Final answer
    x = 7,989.73

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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.