Home / 12,013.29-18,017.49-3,246.15

Finding the Fourth Proportional to 12,013.29, 18,017.49 and 3,246.15

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Solution

The fourth proportional to 12,013.29, 18,017.49 and 3,246.15 is: 4,868.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,013.29 : 18,017.49 = 3,246.15 : x
  2. Step 2: Convert to fraction form
    12,013.29/18,017.49 = 3,246.15/x
  3. Step 3: Cross multiply
    12,013.29x = 18,017.49 × 3,246.15
  4. Step 4: Simplify right side
    12,013.29x = 58,487,475.16
  5. Step 5: Solve for x
    x = 58,487,475.16/12,013.29
  6. Step 6: Final answer
    x = 4,868.56

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.