Home / 8,231.80-11,356.93-5,043.95

Finding the Fourth Proportional to 8,231.80, 11,356.93 and 5,043.95

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Solution

The fourth proportional to 8,231.80, 11,356.93 and 5,043.95 is: 6,958.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,231.80 : 11,356.93 = 5,043.95 : x
  2. Step 2: Convert to fraction form
    8,231.80/11,356.93 = 5,043.95/x
  3. Step 3: Cross multiply
    8,231.80x = 11,356.93 × 5,043.95
  4. Step 4: Simplify right side
    8,231.80x = 57,283,761.43
  5. Step 5: Solve for x
    x = 57,283,761.43/8,231.80
  6. Step 6: Final answer
    x = 6,958.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.