Home / 8,775.82-13,166.30-2,936.53

Finding the Fourth Proportional to 8,775.82, 13,166.30 and 2,936.53

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Solution

The fourth proportional to 8,775.82, 13,166.30 and 2,936.53 is: 4,405.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,775.82 : 13,166.30 = 2,936.53 : x
  2. Step 2: Convert to fraction form
    8,775.82/13,166.30 = 2,936.53/x
  3. Step 3: Cross multiply
    8,775.82x = 13,166.30 × 2,936.53
  4. Step 4: Simplify right side
    8,775.82x = 38,663,234.94
  5. Step 5: Solve for x
    x = 38,663,234.94/8,775.82
  6. Step 6: Final answer
    x = 4,405.65

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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.