Home / 11,191.14-16,776.22-3,790.43

Finding the Fourth Proportional to 11,191.14, 16,776.22 and 3,790.43

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Solution

The fourth proportional to 11,191.14, 16,776.22 and 3,790.43 is: 5,682.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,191.14 : 16,776.22 = 3,790.43 : x
  2. Step 2: Convert to fraction form
    11,191.14/16,776.22 = 3,790.43/x
  3. Step 3: Cross multiply
    11,191.14x = 16,776.22 × 3,790.43
  4. Step 4: Simplify right side
    11,191.14x = 63,589,087.57
  5. Step 5: Solve for x
    x = 63,589,087.57/11,191.14
  6. Step 6: Final answer
    x = 5,682.09

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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.