Home / 7,965.54-11,949.39-2,770.74

Finding the Fourth Proportional to 7,965.54, 11,949.39 and 2,770.74

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Solution

The fourth proportional to 7,965.54, 11,949.39 and 2,770.74 is: 4,156.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,965.54 : 11,949.39 = 2,770.74 : x
  2. Step 2: Convert to fraction form
    7,965.54/11,949.39 = 2,770.74/x
  3. Step 3: Cross multiply
    7,965.54x = 11,949.39 × 2,770.74
  4. Step 4: Simplify right side
    7,965.54x = 33,108,652.85
  5. Step 5: Solve for x
    x = 33,108,652.85/7,965.54
  6. Step 6: Final answer
    x = 4,156.49

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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.