Home / 8,122.06-11,209.42-4,766.14

Finding the Fourth Proportional to 8,122.06, 11,209.42 and 4,766.14

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Solution

The fourth proportional to 8,122.06, 11,209.42 and 4,766.14 is: 6,577.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,122.06 : 11,209.42 = 4,766.14 : x
  2. Step 2: Convert to fraction form
    8,122.06/11,209.42 = 4,766.14/x
  3. Step 3: Cross multiply
    8,122.06x = 11,209.42 × 4,766.14
  4. Step 4: Simplify right side
    8,122.06x = 53,425,665.04
  5. Step 5: Solve for x
    x = 53,425,665.04/8,122.06
  6. Step 6: Final answer
    x = 6,577.85

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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.