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Finding the Fourth Proportional to 8,839.67, 12,200.51 and 5,253.93

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Solution

The fourth proportional to 8,839.67, 12,200.51 and 5,253.93 is: 7,251.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,839.67 : 12,200.51 = 5,253.93 : x
  2. Step 2: Convert to fraction form
    8,839.67/12,200.51 = 5,253.93/x
  3. Step 3: Cross multiply
    8,839.67x = 12,200.51 × 5,253.93
  4. Step 4: Simplify right side
    8,839.67x = 64,100,625.50
  5. Step 5: Solve for x
    x = 64,100,625.50/8,839.67
  6. Step 6: Final answer
    x = 7,251.47

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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.