Home / 11,933.76-17,890.38-4,141.56

Finding the Fourth Proportional to 11,933.76, 17,890.38 and 4,141.56

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Solution

The fourth proportional to 11,933.76, 17,890.38 and 4,141.56 is: 6,208.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,933.76 : 17,890.38 = 4,141.56 : x
  2. Step 2: Convert to fraction form
    11,933.76/17,890.38 = 4,141.56/x
  3. Step 3: Cross multiply
    11,933.76x = 17,890.38 × 4,141.56
  4. Step 4: Simplify right side
    11,933.76x = 74,094,082.19
  5. Step 5: Solve for x
    x = 74,094,082.19/11,933.76
  6. Step 6: Final answer
    x = 6,208.78

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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.