Home / 11,049.12-16,575.30-4,122

Finding the Fourth Proportional to 11,049.12, 16,575.30 and 4,122

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Solution

The fourth proportional to 11,049.12, 16,575.30 and 4,122 is: 6,183.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,049.12 : 16,575.30 = 4,122 : x
  2. Step 2: Convert to fraction form
    11,049.12/16,575.30 = 4,122/x
  3. Step 3: Cross multiply
    11,049.12x = 16,575.30 × 4,122
  4. Step 4: Simplify right side
    11,049.12x = 68,323,386.60
  5. Step 5: Solve for x
    x = 68,323,386.60/11,049.12
  6. Step 6: Final answer
    x = 6,183.60

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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.