Home / 12,251.43-18,374.94-3,245.60

Finding the Fourth Proportional to 12,251.43, 18,374.94 and 3,245.60

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Solution

The fourth proportional to 12,251.43, 18,374.94 and 3,245.60 is: 4,867.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,251.43 : 18,374.94 = 3,245.60 : x
  2. Step 2: Convert to fraction form
    12,251.43/18,374.94 = 3,245.60/x
  3. Step 3: Cross multiply
    12,251.43x = 18,374.94 × 3,245.60
  4. Step 4: Simplify right side
    12,251.43x = 59,637,667.44
  5. Step 5: Solve for x
    x = 59,637,667.44/12,251.43
  6. Step 6: Final answer
    x = 4,867.81

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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.