Home / 11,177.16-16,755.31-3,776.44

Finding the Fourth Proportional to 11,177.16, 16,755.31 and 3,776.44

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Solution

The fourth proportional to 11,177.16, 16,755.31 and 3,776.44 is: 5,661.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,177.16 : 16,755.31 = 3,776.44 : x
  2. Step 2: Convert to fraction form
    11,177.16/16,755.31 = 3,776.44/x
  3. Step 3: Cross multiply
    11,177.16x = 16,755.31 × 3,776.44
  4. Step 4: Simplify right side
    11,177.16x = 63,275,422.90
  5. Step 5: Solve for x
    x = 63,275,422.90/11,177.16
  6. Step 6: Final answer
    x = 5,661.14

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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.