Home / 7,382.78-11,072.98-4,042.82

Finding the Fourth Proportional to 7,382.78, 11,072.98 and 4,042.82

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Solution

The fourth proportional to 7,382.78, 11,072.98 and 4,042.82 is: 6,063.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,382.78 : 11,072.98 = 4,042.82 : x
  2. Step 2: Convert to fraction form
    7,382.78/11,072.98 = 4,042.82/x
  3. Step 3: Cross multiply
    7,382.78x = 11,072.98 × 4,042.82
  4. Step 4: Simplify right side
    7,382.78x = 44,766,065.00
  5. Step 5: Solve for x
    x = 44,766,065.00/7,382.78
  6. Step 6: Final answer
    x = 6,063.58

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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.