Home / 7,944.25-11,917.19-2,750.11

Finding the Fourth Proportional to 7,944.25, 11,917.19 and 2,750.11

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Solution

The fourth proportional to 7,944.25, 11,917.19 and 2,750.11 is: 4,125.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,944.25 : 11,917.19 = 2,750.11 : x
  2. Step 2: Convert to fraction form
    7,944.25/11,917.19 = 2,750.11/x
  3. Step 3: Cross multiply
    7,944.25x = 11,917.19 × 2,750.11
  4. Step 4: Simplify right side
    7,944.25x = 32,773,583.39
  5. Step 5: Solve for x
    x = 32,773,583.39/7,944.25
  6. Step 6: Final answer
    x = 4,125.45

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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.