Home / 8,006.98-12,010.56-6,286.54

Finding the Fourth Proportional to 8,006.98, 12,010.56 and 6,286.54

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Solution

The fourth proportional to 8,006.98, 12,010.56 and 6,286.54 is: 9,429.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,006.98 : 12,010.56 = 6,286.54 : x
  2. Step 2: Convert to fraction form
    8,006.98/12,010.56 = 6,286.54/x
  3. Step 3: Cross multiply
    8,006.98x = 12,010.56 × 6,286.54
  4. Step 4: Simplify right side
    8,006.98x = 75,504,865.86
  5. Step 5: Solve for x
    x = 75,504,865.86/8,006.98
  6. Step 6: Final answer
    x = 9,429.88

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1.5x scale

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.