Home / 11,107.27-16,669.16-5,263.90

Finding the Fourth Proportional to 11,107.27, 16,669.16 and 5,263.90

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Solution

The fourth proportional to 11,107.27, 16,669.16 and 5,263.90 is: 7,899.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,107.27 : 16,669.16 = 5,263.90 : x
  2. Step 2: Convert to fraction form
    11,107.27/16,669.16 = 5,263.90/x
  3. Step 3: Cross multiply
    11,107.27x = 16,669.16 × 5,263.90
  4. Step 4: Simplify right side
    11,107.27x = 87,744,791.32
  5. Step 5: Solve for x
    x = 87,744,791.32/11,107.27
  6. Step 6: Final answer
    x = 7,899.76

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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.