Home / 11,821.73-17,735.20-3,502.40

Finding the Fourth Proportional to 11,821.73, 17,735.20 and 3,502.40

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Solution

The fourth proportional to 11,821.73, 17,735.20 and 3,502.40 is: 5,254.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,821.73 : 17,735.20 = 3,502.40 : x
  2. Step 2: Convert to fraction form
    11,821.73/17,735.20 = 3,502.40/x
  3. Step 3: Cross multiply
    11,821.73x = 17,735.20 × 3,502.40
  4. Step 4: Simplify right side
    11,821.73x = 62,115,764.48
  5. Step 5: Solve for x
    x = 62,115,764.48/11,821.73
  6. Step 6: Final answer
    x = 5,254.37

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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.