Home / 11,305.25-16,952.40-3,907.11

Finding the Fourth Proportional to 11,305.25, 16,952.40 and 3,907.11

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Solution

The fourth proportional to 11,305.25, 16,952.40 and 3,907.11 is: 5,858.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,305.25 : 16,952.40 = 3,907.11 : x
  2. Step 2: Convert to fraction form
    11,305.25/16,952.40 = 3,907.11/x
  3. Step 3: Cross multiply
    11,305.25x = 16,952.40 × 3,907.11
  4. Step 4: Simplify right side
    11,305.25x = 66,234,891.56
  5. Step 5: Solve for x
    x = 66,234,891.56/11,305.25
  6. Step 6: Final answer
    x = 5,858.78

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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.