Home / 12,099.72-18,149.58-3,334.64

Finding the Fourth Proportional to 12,099.72, 18,149.58 and 3,334.64

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Solution

The fourth proportional to 12,099.72, 18,149.58 and 3,334.64 is: 5,001.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,099.72 : 18,149.58 = 3,334.64 : x
  2. Step 2: Convert to fraction form
    12,099.72/18,149.58 = 3,334.64/x
  3. Step 3: Cross multiply
    12,099.72x = 18,149.58 × 3,334.64
  4. Step 4: Simplify right side
    12,099.72x = 60,522,315.45
  5. Step 5: Solve for x
    x = 60,522,315.45/12,099.72
  6. Step 6: Final answer
    x = 5,001.96

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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.