Home / 11,917.20-17,875.92-3,597.29

Finding the Fourth Proportional to 11,917.20, 17,875.92 and 3,597.29

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Solution

The fourth proportional to 11,917.20, 17,875.92 and 3,597.29 is: 5,395.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,917.20 : 17,875.92 = 3,597.29 : x
  2. Step 2: Convert to fraction form
    11,917.20/17,875.92 = 3,597.29/x
  3. Step 3: Cross multiply
    11,917.20x = 17,875.92 × 3,597.29
  4. Step 4: Simplify right side
    11,917.20x = 64,304,778.88
  5. Step 5: Solve for x
    x = 64,304,778.88/11,917.20
  6. Step 6: Final answer
    x = 5,395.96

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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.