Home / 8,069.73-12,098.97-4,122.20

Finding the Fourth Proportional to 8,069.73, 12,098.97 and 4,122.20

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Solution

The fourth proportional to 8,069.73, 12,098.97 and 4,122.20 is: 6,180.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,069.73 : 12,098.97 = 4,122.20 : x
  2. Step 2: Convert to fraction form
    8,069.73/12,098.97 = 4,122.20/x
  3. Step 3: Cross multiply
    8,069.73x = 12,098.97 × 4,122.20
  4. Step 4: Simplify right side
    8,069.73x = 49,874,313.64
  5. Step 5: Solve for x
    x = 49,874,313.64/8,069.73
  6. Step 6: Final answer
    x = 6,180.42

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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.