Home / 7,936.25-11,900.51-2,388.56

Finding the Fourth Proportional to 7,936.25, 11,900.51 and 2,388.56

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Solution

The fourth proportional to 7,936.25, 11,900.51 and 2,388.56 is: 3,581.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,936.25 : 11,900.51 = 2,388.56 : x
  2. Step 2: Convert to fraction form
    7,936.25/11,900.51 = 2,388.56/x
  3. Step 3: Cross multiply
    7,936.25x = 11,900.51 × 2,388.56
  4. Step 4: Simplify right side
    7,936.25x = 28,425,010.72
  5. Step 5: Solve for x
    x = 28,425,010.72/7,936.25
  6. Step 6: Final answer
    x = 3,581.67

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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.