Home / 11,859.35-17,788.68-3,539.43

Finding the Fourth Proportional to 11,859.35, 17,788.68 and 3,539.43

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Solution

The fourth proportional to 11,859.35, 17,788.68 and 3,539.43 is: 5,309.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,859.35 : 17,788.68 = 3,539.43 : x
  2. Step 2: Convert to fraction form
    11,859.35/17,788.68 = 3,539.43/x
  3. Step 3: Cross multiply
    11,859.35x = 17,788.68 × 3,539.43
  4. Step 4: Simplify right side
    11,859.35x = 62,961,787.65
  5. Step 5: Solve for x
    x = 62,961,787.65/11,859.35
  6. Step 6: Final answer
    x = 5,309.04

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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.