Home / 8,255.49-12,385.25-2,412.06

Finding the Fourth Proportional to 8,255.49, 12,385.25 and 2,412.06

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Solution

The fourth proportional to 8,255.49, 12,385.25 and 2,412.06 is: 3,618.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,255.49 : 12,385.25 = 2,412.06 : x
  2. Step 2: Convert to fraction form
    8,255.49/12,385.25 = 2,412.06/x
  3. Step 3: Cross multiply
    8,255.49x = 12,385.25 × 2,412.06
  4. Step 4: Simplify right side
    8,255.49x = 29,873,966.12
  5. Step 5: Solve for x
    x = 29,873,966.12/8,255.49
  6. Step 6: Final answer
    x = 3,618.68

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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.