Home / 8,891.35-12,272.25-6,245.08

Finding the Fourth Proportional to 8,891.35, 12,272.25 and 6,245.08

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Solution

The fourth proportional to 8,891.35, 12,272.25 and 6,245.08 is: 8,619.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,891.35 : 12,272.25 = 6,245.08 : x
  2. Step 2: Convert to fraction form
    8,891.35/12,272.25 = 6,245.08/x
  3. Step 3: Cross multiply
    8,891.35x = 12,272.25 × 6,245.08
  4. Step 4: Simplify right side
    8,891.35x = 76,641,183.03
  5. Step 5: Solve for x
    x = 76,641,183.03/8,891.35
  6. Step 6: Final answer
    x = 8,619.75

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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.