Home / 12,236.27-18,353.79-3,470.04

Finding the Fourth Proportional to 12,236.27, 18,353.79 and 3,470.04

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Solution

The fourth proportional to 12,236.27, 18,353.79 and 3,470.04 is: 5,204.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,236.27 : 18,353.79 = 3,470.04 : x
  2. Step 2: Convert to fraction form
    12,236.27/18,353.79 = 3,470.04/x
  3. Step 3: Cross multiply
    12,236.27x = 18,353.79 × 3,470.04
  4. Step 4: Simplify right side
    12,236.27x = 63,688,385.45
  5. Step 5: Solve for x
    x = 63,688,385.45/12,236.27
  6. Step 6: Final answer
    x = 5,204.89

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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.