Home / 7,933.49-11,902.37-3,983.68

Finding the Fourth Proportional to 7,933.49, 11,902.37 and 3,983.68

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Solution

The fourth proportional to 7,933.49, 11,902.37 and 3,983.68 is: 5,976.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,933.49 : 11,902.37 = 3,983.68 : x
  2. Step 2: Convert to fraction form
    7,933.49/11,902.37 = 3,983.68/x
  3. Step 3: Cross multiply
    7,933.49x = 11,902.37 × 3,983.68
  4. Step 4: Simplify right side
    7,933.49x = 47,415,239.49
  5. Step 5: Solve for x
    x = 47,415,239.49/7,933.49
  6. Step 6: Final answer
    x = 5,976.59

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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.