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Finding the Fourth Proportional to 11,515.58, 17,259.17 and 5,965.73

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Solution

The fourth proportional to 11,515.58, 17,259.17 and 5,965.73 is: 8,941.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,515.58 : 17,259.17 = 5,965.73 : x
  2. Step 2: Convert to fraction form
    11,515.58/17,259.17 = 5,965.73/x
  3. Step 3: Cross multiply
    11,515.58x = 17,259.17 × 5,965.73
  4. Step 4: Simplify right side
    11,515.58x = 102,963,561.56
  5. Step 5: Solve for x
    x = 102,963,561.56/11,515.58
  6. Step 6: Final answer
    x = 8,941.24

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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.