Home / 11,972.14-17,960.96-3,652.31

Finding the Fourth Proportional to 11,972.14, 17,960.96 and 3,652.31

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Solution

The fourth proportional to 11,972.14, 17,960.96 and 3,652.31 is: 5,479.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,972.14 : 17,960.96 = 3,652.31 : x
  2. Step 2: Convert to fraction form
    11,972.14/17,960.96 = 3,652.31/x
  3. Step 3: Cross multiply
    11,972.14x = 17,960.96 × 3,652.31
  4. Step 4: Simplify right side
    11,972.14x = 65,598,993.82
  5. Step 5: Solve for x
    x = 65,598,993.82/11,972.14
  6. Step 6: Final answer
    x = 5,479.30

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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.