Home / 7,940.75-11,914.43-3,496.14

Finding the Fourth Proportional to 7,940.75, 11,914.43 and 3,496.14

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Solution

The fourth proportional to 7,940.75, 11,914.43 and 3,496.14 is: 5,245.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,940.75 : 11,914.43 = 3,496.14 : x
  2. Step 2: Convert to fraction form
    7,940.75/11,914.43 = 3,496.14/x
  3. Step 3: Cross multiply
    7,940.75x = 11,914.43 × 3,496.14
  4. Step 4: Simplify right side
    7,940.75x = 41,654,497.82
  5. Step 5: Solve for x
    x = 41,654,497.82/7,940.75
  6. Step 6: Final answer
    x = 5,245.67

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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.