Home / 11,138.11-16,704.43-4,899.69

Finding the Fourth Proportional to 11,138.11, 16,704.43 and 4,899.69

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Solution

The fourth proportional to 11,138.11, 16,704.43 and 4,899.69 is: 7,348.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,138.11 : 16,704.43 = 4,899.69 : x
  2. Step 2: Convert to fraction form
    11,138.11/16,704.43 = 4,899.69/x
  3. Step 3: Cross multiply
    11,138.11x = 16,704.43 × 4,899.69
  4. Step 4: Simplify right side
    11,138.11x = 81,846,516.38
  5. Step 5: Solve for x
    x = 81,846,516.38/11,138.11
  6. Step 6: Final answer
    x = 7,348.33

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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.