Home / 11,858.20-17,788.20-3,537.57

Finding the Fourth Proportional to 11,858.20, 17,788.20 and 3,537.57

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Solution

The fourth proportional to 11,858.20, 17,788.20 and 3,537.57 is: 5,306.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,858.20 : 17,788.20 = 3,537.57 : x
  2. Step 2: Convert to fraction form
    11,858.20/17,788.20 = 3,537.57/x
  3. Step 3: Cross multiply
    11,858.20x = 17,788.20 × 3,537.57
  4. Step 4: Simplify right side
    11,858.20x = 62,927,002.67
  5. Step 5: Solve for x
    x = 62,927,002.67/11,858.20
  6. Step 6: Final answer
    x = 5,306.62

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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.