Home / 6,122.40-9,179.49-2,226.30

Finding the Fourth Proportional to 6,122.40, 9,179.49 and 2,226.30

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Solution

The fourth proportional to 6,122.40, 9,179.49 and 2,226.30 is: 3,337.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,122.40 : 9,179.49 = 2,226.30 : x
  2. Step 2: Convert to fraction form
    6,122.40/9,179.49 = 2,226.30/x
  3. Step 3: Cross multiply
    6,122.40x = 9,179.49 × 2,226.30
  4. Step 4: Simplify right side
    6,122.40x = 20,436,298.59
  5. Step 5: Solve for x
    x = 20,436,298.59/6,122.40
  6. Step 6: Final answer
    x = 3,337.96

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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.