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Finding the Fourth Proportional to 11,369.87, 17,026.31 and 7,197.29

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Solution

The fourth proportional to 11,369.87, 17,026.31 and 7,197.29 is: 10,777.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,369.87 : 17,026.31 = 7,197.29 : x
  2. Step 2: Convert to fraction form
    11,369.87/17,026.31 = 7,197.29/x
  3. Step 3: Cross multiply
    11,369.87x = 17,026.31 × 7,197.29
  4. Step 4: Simplify right side
    11,369.87x = 122,543,223.56
  5. Step 5: Solve for x
    x = 122,543,223.56/11,369.87
  6. Step 6: Final answer
    x = 10,777.90

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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.