Home / 12,167.92-18,252.02-3,847.74

Finding the Fourth Proportional to 12,167.92, 18,252.02 and 3,847.74

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Solution

The fourth proportional to 12,167.92, 18,252.02 and 3,847.74 is: 5,771.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,167.92 : 18,252.02 = 3,847.74 : x
  2. Step 2: Convert to fraction form
    12,167.92/18,252.02 = 3,847.74/x
  3. Step 3: Cross multiply
    12,167.92x = 18,252.02 × 3,847.74
  4. Step 4: Simplify right side
    12,167.92x = 70,229,027.43
  5. Step 5: Solve for x
    x = 70,229,027.43/12,167.92
  6. Step 6: Final answer
    x = 5,771.65

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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.