Home / 7,868.18-11,800.94-2,936.49

Finding the Fourth Proportional to 7,868.18, 11,800.94 and 2,936.49

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Solution

The fourth proportional to 7,868.18, 11,800.94 and 2,936.49 is: 4,404.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,868.18 : 11,800.94 = 2,936.49 : x
  2. Step 2: Convert to fraction form
    7,868.18/11,800.94 = 2,936.49/x
  3. Step 3: Cross multiply
    7,868.18x = 11,800.94 × 2,936.49
  4. Step 4: Simplify right side
    7,868.18x = 34,653,327.62
  5. Step 5: Solve for x
    x = 34,653,327.62/7,868.18
  6. Step 6: Final answer
    x = 4,404.24

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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.