Home / 12,070.92-18,101.94-4,171.43

Finding the Fourth Proportional to 12,070.92, 18,101.94 and 4,171.43

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Solution

The fourth proportional to 12,070.92, 18,101.94 and 4,171.43 is: 6,255.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,070.92 : 18,101.94 = 4,171.43 : x
  2. Step 2: Convert to fraction form
    12,070.92/18,101.94 = 4,171.43/x
  3. Step 3: Cross multiply
    12,070.92x = 18,101.94 × 4,171.43
  4. Step 4: Simplify right side
    12,070.92x = 75,510,975.57
  5. Step 5: Solve for x
    x = 75,510,975.57/12,070.92
  6. Step 6: Final answer
    x = 6,255.61

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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.