Home / 12,250.44-18,382.77-4,855.68

Finding the Fourth Proportional to 12,250.44, 18,382.77 and 4,855.68

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Solution

The fourth proportional to 12,250.44, 18,382.77 and 4,855.68 is: 7,286.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,250.44 : 18,382.77 = 4,855.68 : x
  2. Step 2: Convert to fraction form
    12,250.44/18,382.77 = 4,855.68/x
  3. Step 3: Cross multiply
    12,250.44x = 18,382.77 × 4,855.68
  4. Step 4: Simplify right side
    12,250.44x = 89,260,848.63
  5. Step 5: Solve for x
    x = 89,260,848.63/12,250.44
  6. Step 6: Final answer
    x = 7,286.34

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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.