Home / 12,446.75-18,669.11-4,124.05

Finding the Fourth Proportional to 12,446.75, 18,669.11 and 4,124.05

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Solution

The fourth proportional to 12,446.75, 18,669.11 and 4,124.05 is: 6,185.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,446.75 : 18,669.11 = 4,124.05 : x
  2. Step 2: Convert to fraction form
    12,446.75/18,669.11 = 4,124.05/x
  3. Step 3: Cross multiply
    12,446.75x = 18,669.11 × 4,124.05
  4. Step 4: Simplify right side
    12,446.75x = 76,992,275.80
  5. Step 5: Solve for x
    x = 76,992,275.80/12,446.75
  6. Step 6: Final answer
    x = 6,185.73

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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.