Home / 8,425.29-12,636.13-2,500.76

Finding the Fourth Proportional to 8,425.29, 12,636.13 and 2,500.76

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Solution

The fourth proportional to 8,425.29, 12,636.13 and 2,500.76 is: 3,750.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,425.29 : 12,636.13 = 2,500.76 : x
  2. Step 2: Convert to fraction form
    8,425.29/12,636.13 = 2,500.76/x
  3. Step 3: Cross multiply
    8,425.29x = 12,636.13 × 2,500.76
  4. Step 4: Simplify right side
    8,425.29x = 31,599,953.80
  5. Step 5: Solve for x
    x = 31,599,953.80/8,425.29
  6. Step 6: Final answer
    x = 3,750.61

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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.