Home / 7,867.82-11,801.89-2,936.48

Finding the Fourth Proportional to 7,867.82, 11,801.89 and 2,936.48

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Solution

The fourth proportional to 7,867.82, 11,801.89 and 2,936.48 is: 4,404.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,867.82 : 11,801.89 = 2,936.48 : x
  2. Step 2: Convert to fraction form
    7,867.82/11,801.89 = 2,936.48/x
  3. Step 3: Cross multiply
    7,867.82x = 11,801.89 × 2,936.48
  4. Step 4: Simplify right side
    7,867.82x = 34,655,947.60
  5. Step 5: Solve for x
    x = 34,655,947.60/7,867.82
  6. Step 6: Final answer
    x = 4,404.77

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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.