Home / 11,872.33-17,800.29-5,205.61

Finding the Fourth Proportional to 11,872.33, 17,800.29 and 5,205.61

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Solution

The fourth proportional to 11,872.33, 17,800.29 and 5,205.61 is: 7,804.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,872.33 : 17,800.29 = 5,205.61 : x
  2. Step 2: Convert to fraction form
    11,872.33/17,800.29 = 5,205.61/x
  3. Step 3: Cross multiply
    11,872.33x = 17,800.29 × 5,205.61
  4. Step 4: Simplify right side
    11,872.33x = 92,661,367.63
  5. Step 5: Solve for x
    x = 92,661,367.63/11,872.33
  6. Step 6: Final answer
    x = 7,804.82

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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.