Home / 6,845.20-10,269.06-2,166.38

Finding the Fourth Proportional to 6,845.20, 10,269.06 and 2,166.38

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Solution

The fourth proportional to 6,845.20, 10,269.06 and 2,166.38 is: 3,249.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,845.20 : 10,269.06 = 2,166.38 : x
  2. Step 2: Convert to fraction form
    6,845.20/10,269.06 = 2,166.38/x
  3. Step 3: Cross multiply
    6,845.20x = 10,269.06 × 2,166.38
  4. Step 4: Simplify right side
    6,845.20x = 22,246,711.88
  5. Step 5: Solve for x
    x = 22,246,711.88/6,845.20
  6. Step 6: Final answer
    x = 3,249.97

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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.