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Finding the Fourth Proportional to 8,847.38, 12,209.67 and 4,868.66

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Solution

The fourth proportional to 8,847.38, 12,209.67 and 4,868.66 is: 6,718.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,847.38 : 12,209.67 = 4,868.66 : x
  2. Step 2: Convert to fraction form
    8,847.38/12,209.67 = 4,868.66/x
  3. Step 3: Cross multiply
    8,847.38x = 12,209.67 × 4,868.66
  4. Step 4: Simplify right side
    8,847.38x = 59,444,670.89
  5. Step 5: Solve for x
    x = 59,444,670.89/8,847.38
  6. Step 6: Final answer
    x = 6,718.90

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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.