Home / 11,876.59-17,828.68-6,949.76

Finding the Fourth Proportional to 11,876.59, 17,828.68 and 6,949.76

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Solution

The fourth proportional to 11,876.59, 17,828.68 and 6,949.76 is: 10,432.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,876.59 : 17,828.68 = 6,949.76 : x
  2. Step 2: Convert to fraction form
    11,876.59/17,828.68 = 6,949.76/x
  3. Step 3: Cross multiply
    11,876.59x = 17,828.68 × 6,949.76
  4. Step 4: Simplify right side
    11,876.59x = 123,905,047.12
  5. Step 5: Solve for x
    x = 123,905,047.12/11,876.59
  6. Step 6: Final answer
    x = 10,432.71

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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.