Home / 11,255.10-16,872.33-4,324.38

Finding the Fourth Proportional to 11,255.10, 16,872.33 and 4,324.38

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Solution

The fourth proportional to 11,255.10, 16,872.33 and 4,324.38 is: 6,482.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,255.10 : 16,872.33 = 4,324.38 : x
  2. Step 2: Convert to fraction form
    11,255.10/16,872.33 = 4,324.38/x
  3. Step 3: Cross multiply
    11,255.10x = 16,872.33 × 4,324.38
  4. Step 4: Simplify right side
    11,255.10x = 72,962,366.41
  5. Step 5: Solve for x
    x = 72,962,366.41/11,255.10
  6. Step 6: Final answer
    x = 6,482.60

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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.