Home / 6,936.68-10,391.82-4,119.54

Finding the Fourth Proportional to 6,936.68, 10,391.82 and 4,119.54

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Solution

The fourth proportional to 6,936.68, 10,391.82 and 4,119.54 is: 6,171.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,936.68 : 10,391.82 = 4,119.54 : x
  2. Step 2: Convert to fraction form
    6,936.68/10,391.82 = 4,119.54/x
  3. Step 3: Cross multiply
    6,936.68x = 10,391.82 × 4,119.54
  4. Step 4: Simplify right side
    6,936.68x = 42,809,502.71
  5. Step 5: Solve for x
    x = 42,809,502.71/6,936.68
  6. Step 6: Final answer
    x = 6,171.47

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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.