Home / 12,251.06-18,382.62-4,860.80

Finding the Fourth Proportional to 12,251.06, 18,382.62 and 4,860.80

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Solution

The fourth proportional to 12,251.06, 18,382.62 and 4,860.80 is: 7,293.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,251.06 : 18,382.62 = 4,860.80 : x
  2. Step 2: Convert to fraction form
    12,251.06/18,382.62 = 4,860.80/x
  3. Step 3: Cross multiply
    12,251.06x = 18,382.62 × 4,860.80
  4. Step 4: Simplify right side
    12,251.06x = 89,354,239.30
  5. Step 5: Solve for x
    x = 89,354,239.30/12,251.06
  6. Step 6: Final answer
    x = 7,293.59

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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.