Home / 11,961.68-17,942.51-3,196.67

Finding the Fourth Proportional to 11,961.68, 17,942.51 and 3,196.67

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Solution

The fourth proportional to 11,961.68, 17,942.51 and 3,196.67 is: 4,795.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,961.68 : 17,942.51 = 3,196.67 : x
  2. Step 2: Convert to fraction form
    11,961.68/17,942.51 = 3,196.67/x
  3. Step 3: Cross multiply
    11,961.68x = 17,942.51 × 3,196.67
  4. Step 4: Simplify right side
    11,961.68x = 57,356,201.72
  5. Step 5: Solve for x
    x = 57,356,201.72/11,961.68
  6. Step 6: Final answer
    x = 4,795.00

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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.