Home / 6,912.72-10,371.13-2,750.36

Finding the Fourth Proportional to 6,912.72, 10,371.13 and 2,750.36

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Solution

The fourth proportional to 6,912.72, 10,371.13 and 2,750.36 is: 4,126.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,912.72 : 10,371.13 = 2,750.36 : x
  2. Step 2: Convert to fraction form
    6,912.72/10,371.13 = 2,750.36/x
  3. Step 3: Cross multiply
    6,912.72x = 10,371.13 × 2,750.36
  4. Step 4: Simplify right side
    6,912.72x = 28,524,282.38
  5. Step 5: Solve for x
    x = 28,524,282.38/6,912.72
  6. Step 6: Final answer
    x = 4,126.35

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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.