Home / 6,882.62-9,498.18-3,898.46

Finding the Fourth Proportional to 6,882.62, 9,498.18 and 3,898.46

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Solution

The fourth proportional to 6,882.62, 9,498.18 and 3,898.46 is: 5,379.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,882.62 : 9,498.18 = 3,898.46 : x
  2. Step 2: Convert to fraction form
    6,882.62/9,498.18 = 3,898.46/x
  3. Step 3: Cross multiply
    6,882.62x = 9,498.18 × 3,898.46
  4. Step 4: Simplify right side
    6,882.62x = 37,028,274.80
  5. Step 5: Solve for x
    x = 37,028,274.80/6,882.62
  6. Step 6: Final answer
    x = 5,379.97

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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.