Home / 8,982.20-13,473.30-6,357.80

Finding the Fourth Proportional to 8,982.20, 13,473.30 and 6,357.80

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Solution

The fourth proportional to 8,982.20, 13,473.30 and 6,357.80 is: 9,536.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,982.20 : 13,473.30 = 6,357.80 : x
  2. Step 2: Convert to fraction form
    8,982.20/13,473.30 = 6,357.80/x
  3. Step 3: Cross multiply
    8,982.20x = 13,473.30 × 6,357.80
  4. Step 4: Simplify right side
    8,982.20x = 85,660,546.74
  5. Step 5: Solve for x
    x = 85,660,546.74/8,982.20
  6. Step 6: Final answer
    x = 9,536.70

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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.