Home / 7,983.05-11,976.51-2,436.49

Finding the Fourth Proportional to 7,983.05, 11,976.51 and 2,436.49

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Solution

The fourth proportional to 7,983.05, 11,976.51 and 2,436.49 is: 3,655.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,983.05 : 11,976.51 = 2,436.49 : x
  2. Step 2: Convert to fraction form
    7,983.05/11,976.51 = 2,436.49/x
  3. Step 3: Cross multiply
    7,983.05x = 11,976.51 × 2,436.49
  4. Step 4: Simplify right side
    7,983.05x = 29,180,646.85
  5. Step 5: Solve for x
    x = 29,180,646.85/7,983.05
  6. Step 6: Final answer
    x = 3,655.33

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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.