Home / 12,168.75-16,793.46-6,863.45

Finding the Fourth Proportional to 12,168.75, 16,793.46 and 6,863.45

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Solution

The fourth proportional to 12,168.75, 16,793.46 and 6,863.45 is: 9,471.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,168.75 : 16,793.46 = 6,863.45 : x
  2. Step 2: Convert to fraction form
    12,168.75/16,793.46 = 6,863.45/x
  3. Step 3: Cross multiply
    12,168.75x = 16,793.46 × 6,863.45
  4. Step 4: Simplify right side
    12,168.75x = 115,260,989.07
  5. Step 5: Solve for x
    x = 115,260,989.07/12,168.75
  6. Step 6: Final answer
    x = 9,471.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.