Home / 7,949.84-11,923.02-3,268.70

Finding the Fourth Proportional to 7,949.84, 11,923.02 and 3,268.70

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Solution

The fourth proportional to 7,949.84, 11,923.02 and 3,268.70 is: 4,902.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,949.84 : 11,923.02 = 3,268.70 : x
  2. Step 2: Convert to fraction form
    7,949.84/11,923.02 = 3,268.70/x
  3. Step 3: Cross multiply
    7,949.84x = 11,923.02 × 3,268.70
  4. Step 4: Simplify right side
    7,949.84x = 38,972,775.47
  5. Step 5: Solve for x
    x = 38,972,775.47/7,949.84
  6. Step 6: Final answer
    x = 4,902.33

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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.