Home / 8,498.46-12,747.69-3,305.55

Finding the Fourth Proportional to 8,498.46, 12,747.69 and 3,305.55

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Solution

The fourth proportional to 8,498.46, 12,747.69 and 3,305.55 is: 4,958.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,498.46 : 12,747.69 = 3,305.55 : x
  2. Step 2: Convert to fraction form
    8,498.46/12,747.69 = 3,305.55/x
  3. Step 3: Cross multiply
    8,498.46x = 12,747.69 × 3,305.55
  4. Step 4: Simplify right side
    8,498.46x = 42,138,126.68
  5. Step 5: Solve for x
    x = 42,138,126.68/8,498.46
  6. Step 6: Final answer
    x = 4,958.33

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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.