Home / 11,247.24-16,874.10-4,672.20

Finding the Fourth Proportional to 11,247.24, 16,874.10 and 4,672.20

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Solution

The fourth proportional to 11,247.24, 16,874.10 and 4,672.20 is: 7,009.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,247.24 : 16,874.10 = 4,672.20 : x
  2. Step 2: Convert to fraction form
    11,247.24/16,874.10 = 4,672.20/x
  3. Step 3: Cross multiply
    11,247.24x = 16,874.10 × 4,672.20
  4. Step 4: Simplify right side
    11,247.24x = 78,839,170.02
  5. Step 5: Solve for x
    x = 78,839,170.02/11,247.24
  6. Step 6: Final answer
    x = 7,009.65

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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.