Home / 12,023.20-18,035.70-3,257.97

Finding the Fourth Proportional to 12,023.20, 18,035.70 and 3,257.97

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Solution

The fourth proportional to 12,023.20, 18,035.70 and 3,257.97 is: 4,887.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,023.20 : 18,035.70 = 3,257.97 : x
  2. Step 2: Convert to fraction form
    12,023.20/18,035.70 = 3,257.97/x
  3. Step 3: Cross multiply
    12,023.20x = 18,035.70 × 3,257.97
  4. Step 4: Simplify right side
    12,023.20x = 58,759,769.53
  5. Step 5: Solve for x
    x = 58,759,769.53/12,023.20
  6. Step 6: Final answer
    x = 4,887.20

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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.