Home / 8,423.42-12,632.96-2,498.92

Finding the Fourth Proportional to 8,423.42, 12,632.96 and 2,498.92

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Solution

The fourth proportional to 8,423.42, 12,632.96 and 2,498.92 is: 3,747.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,423.42 : 12,632.96 = 2,498.92 : x
  2. Step 2: Convert to fraction form
    8,423.42/12,632.96 = 2,498.92/x
  3. Step 3: Cross multiply
    8,423.42x = 12,632.96 × 2,498.92
  4. Step 4: Simplify right side
    8,423.42x = 31,568,680.74
  5. Step 5: Solve for x
    x = 31,568,680.74/8,423.42
  6. Step 6: Final answer
    x = 3,747.73

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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.