Home / 11,346.87-17,020.85-3,555.75

Finding the Fourth Proportional to 11,346.87, 17,020.85 and 3,555.75

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Solution

The fourth proportional to 11,346.87, 17,020.85 and 3,555.75 is: 5,333.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,346.87 : 17,020.85 = 3,555.75 : x
  2. Step 2: Convert to fraction form
    11,346.87/17,020.85 = 3,555.75/x
  3. Step 3: Cross multiply
    11,346.87x = 17,020.85 × 3,555.75
  4. Step 4: Simplify right side
    11,346.87x = 60,521,869.61
  5. Step 5: Solve for x
    x = 60,521,869.61/11,346.87
  6. Step 6: Final answer
    x = 5,333.79

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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.