Home / 12,202.31-18,304.25-3,437.91

Finding the Fourth Proportional to 12,202.31, 18,304.25 and 3,437.91

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Solution

The fourth proportional to 12,202.31, 18,304.25 and 3,437.91 is: 5,157.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,202.31 : 18,304.25 = 3,437.91 : x
  2. Step 2: Convert to fraction form
    12,202.31/18,304.25 = 3,437.91/x
  3. Step 3: Cross multiply
    12,202.31x = 18,304.25 × 3,437.91
  4. Step 4: Simplify right side
    12,202.31x = 62,928,346.93
  5. Step 5: Solve for x
    x = 62,928,346.93/12,202.31
  6. Step 6: Final answer
    x = 5,157.08

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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.