Home / 12,217.41-18,327.14-3,898.61

Finding the Fourth Proportional to 12,217.41, 18,327.14 and 3,898.61

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Solution

The fourth proportional to 12,217.41, 18,327.14 and 3,898.61 is: 5,848.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,217.41 : 18,327.14 = 3,898.61 : x
  2. Step 2: Convert to fraction form
    12,217.41/18,327.14 = 3,898.61/x
  3. Step 3: Cross multiply
    12,217.41x = 18,327.14 × 3,898.61
  4. Step 4: Simplify right side
    12,217.41x = 71,450,274.77
  5. Step 5: Solve for x
    x = 71,450,274.77/12,217.41
  6. Step 6: Final answer
    x = 5,848.24

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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.