Home / 6,876.20-9,488.66-3,892.37

Finding the Fourth Proportional to 6,876.20, 9,488.66 and 3,892.37

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Solution

The fourth proportional to 6,876.20, 9,488.66 and 3,892.37 is: 5,371.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,876.20 : 9,488.66 = 3,892.37 : x
  2. Step 2: Convert to fraction form
    6,876.20/9,488.66 = 3,892.37/x
  3. Step 3: Cross multiply
    6,876.20x = 9,488.66 × 3,892.37
  4. Step 4: Simplify right side
    6,876.20x = 36,933,308.62
  5. Step 5: Solve for x
    x = 36,933,308.62/6,876.20
  6. Step 6: Final answer
    x = 5,371.18

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1.5x scale

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.