Home / 8,439.97-12,659.46-2,596.54

Finding the Fourth Proportional to 8,439.97, 12,659.46 and 2,596.54

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Solution

The fourth proportional to 8,439.97, 12,659.46 and 2,596.54 is: 3,894.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,439.97 : 12,659.46 = 2,596.54 : x
  2. Step 2: Convert to fraction form
    8,439.97/12,659.46 = 2,596.54/x
  3. Step 3: Cross multiply
    8,439.97x = 12,659.46 × 2,596.54
  4. Step 4: Simplify right side
    8,439.97x = 32,870,794.27
  5. Step 5: Solve for x
    x = 32,870,794.27/8,439.97
  6. Step 6: Final answer
    x = 3,894.66

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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.