Home / 7,944.96-11,918.08-2,750.72

Finding the Fourth Proportional to 7,944.96, 11,918.08 and 2,750.72

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Solution

The fourth proportional to 7,944.96, 11,918.08 and 2,750.72 is: 4,126.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,944.96 : 11,918.08 = 2,750.72 : x
  2. Step 2: Convert to fraction form
    7,944.96/11,918.08 = 2,750.72/x
  3. Step 3: Cross multiply
    7,944.96x = 11,918.08 × 2,750.72
  4. Step 4: Simplify right side
    7,944.96x = 32,783,301.02
  5. Step 5: Solve for x
    x = 32,783,301.02/7,944.96
  6. Step 6: Final answer
    x = 4,126.30

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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.