Home / 8,916.20-13,371.72-2,675.96

Finding the Fourth Proportional to 8,916.20, 13,371.72 and 2,675.96

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Solution

The fourth proportional to 8,916.20, 13,371.72 and 2,675.96 is: 4,013.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,916.20 : 13,371.72 = 2,675.96 : x
  2. Step 2: Convert to fraction form
    8,916.20/13,371.72 = 2,675.96/x
  3. Step 3: Cross multiply
    8,916.20x = 13,371.72 × 2,675.96
  4. Step 4: Simplify right side
    8,916.20x = 35,782,187.85
  5. Step 5: Solve for x
    x = 35,782,187.85/8,916.20
  6. Step 6: Final answer
    x = 4,013.17

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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.