Home / 12,237.48-18,356.94-3,471.75

Finding the Fourth Proportional to 12,237.48, 18,356.94 and 3,471.75

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Solution

The fourth proportional to 12,237.48, 18,356.94 and 3,471.75 is: 5,207.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,237.48 : 18,356.94 = 3,471.75 : x
  2. Step 2: Convert to fraction form
    12,237.48/18,356.94 = 3,471.75/x
  3. Step 3: Cross multiply
    12,237.48x = 18,356.94 × 3,471.75
  4. Step 4: Simplify right side
    12,237.48x = 63,730,706.45
  5. Step 5: Solve for x
    x = 63,730,706.45/12,237.48
  6. Step 6: Final answer
    x = 5,207.83

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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.