Home / 6,856.14-9,461.66-3,872.04

Finding the Fourth Proportional to 6,856.14, 9,461.66 and 3,872.04

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Solution

The fourth proportional to 6,856.14, 9,461.66 and 3,872.04 is: 5,343.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,856.14 : 9,461.66 = 3,872.04 : x
  2. Step 2: Convert to fraction form
    6,856.14/9,461.66 = 3,872.04/x
  3. Step 3: Cross multiply
    6,856.14x = 9,461.66 × 3,872.04
  4. Step 4: Simplify right side
    6,856.14x = 36,635,906.63
  5. Step 5: Solve for x
    x = 36,635,906.63/6,856.14
  6. Step 6: Final answer
    x = 5,343.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.