Home / 7,338.94-11,010.43-2,144.81

Finding the Fourth Proportional to 7,338.94, 11,010.43 and 2,144.81

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Solution

The fourth proportional to 7,338.94, 11,010.43 and 2,144.81 is: 3,217.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,338.94 : 11,010.43 = 2,144.81 : x
  2. Step 2: Convert to fraction form
    7,338.94/11,010.43 = 2,144.81/x
  3. Step 3: Cross multiply
    7,338.94x = 11,010.43 × 2,144.81
  4. Step 4: Simplify right side
    7,338.94x = 23,615,310.58
  5. Step 5: Solve for x
    x = 23,615,310.58/7,338.94
  6. Step 6: Final answer
    x = 3,217.81

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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.