Home / 11,821.39-17,734.68-3,502.06

Finding the Fourth Proportional to 11,821.39, 17,734.68 and 3,502.06

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Solution

The fourth proportional to 11,821.39, 17,734.68 and 3,502.06 is: 5,253.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,821.39 : 17,734.68 = 3,502.06 : x
  2. Step 2: Convert to fraction form
    11,821.39/17,734.68 = 3,502.06/x
  3. Step 3: Cross multiply
    11,821.39x = 17,734.68 × 3,502.06
  4. Step 4: Simplify right side
    11,821.39x = 62,107,900.03
  5. Step 5: Solve for x
    x = 62,107,900.03/11,821.39
  6. Step 6: Final answer
    x = 5,253.86

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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.