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Finding the Fourth Proportional to 10,636.87, 15,958.14 and 9,474.82

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Solution

The fourth proportional to 10,636.87, 15,958.14 and 9,474.82 is: 14,214.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,636.87 : 15,958.14 = 9,474.82 : x
  2. Step 2: Convert to fraction form
    10,636.87/15,958.14 = 9,474.82/x
  3. Step 3: Cross multiply
    10,636.87x = 15,958.14 × 9,474.82
  4. Step 4: Simplify right side
    10,636.87x = 151,200,504.03
  5. Step 5: Solve for x
    x = 151,200,504.03/10,636.87
  6. Step 6: Final answer
    x = 14,214.76

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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.