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Finding the Fourth Proportional to 10,163.65, 13,994.68 and 8,897.62

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Solution

The fourth proportional to 10,163.65, 13,994.68 and 8,897.62 is: 12,251.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,163.65 : 13,994.68 = 8,897.62 : x
  2. Step 2: Convert to fraction form
    10,163.65/13,994.68 = 8,897.62/x
  3. Step 3: Cross multiply
    10,163.65x = 13,994.68 × 8,897.62
  4. Step 4: Simplify right side
    10,163.65x = 124,519,230.20
  5. Step 5: Solve for x
    x = 124,519,230.20/10,163.65
  6. Step 6: Final answer
    x = 12,251.43

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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.