Home / 6,961.72-10,443.78-3,677.56

Finding the Fourth Proportional to 6,961.72, 10,443.78 and 3,677.56

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Solution

The fourth proportional to 6,961.72, 10,443.78 and 3,677.56 is: 5,516.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,961.72 : 10,443.78 = 3,677.56 : x
  2. Step 2: Convert to fraction form
    6,961.72/10,443.78 = 3,677.56/x
  3. Step 3: Cross multiply
    6,961.72x = 10,443.78 × 3,677.56
  4. Step 4: Simplify right side
    6,961.72x = 38,407,627.58
  5. Step 5: Solve for x
    x = 38,407,627.58/6,961.72
  6. Step 6: Final answer
    x = 5,516.97

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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.