Home / 12,216.96-18,325.44-3,451.14

Finding the Fourth Proportional to 12,216.96, 18,325.44 and 3,451.14

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Solution

The fourth proportional to 12,216.96, 18,325.44 and 3,451.14 is: 5,176.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,216.96 : 18,325.44 = 3,451.14 : x
  2. Step 2: Convert to fraction form
    12,216.96/18,325.44 = 3,451.14/x
  3. Step 3: Cross multiply
    12,216.96x = 18,325.44 × 3,451.14
  4. Step 4: Simplify right side
    12,216.96x = 63,243,659.00
  5. Step 5: Solve for x
    x = 63,243,659.00/12,216.96
  6. Step 6: Final answer
    x = 5,176.71

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Similar ratio
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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.