Home / 11,579.18-15,979.28-6,273.95

Finding the Fourth Proportional to 11,579.18, 15,979.28 and 6,273.95

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Solution

The fourth proportional to 11,579.18, 15,979.28 and 6,273.95 is: 8,658.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,579.18 : 15,979.28 = 6,273.95 : x
  2. Step 2: Convert to fraction form
    11,579.18/15,979.28 = 6,273.95/x
  3. Step 3: Cross multiply
    11,579.18x = 15,979.28 × 6,273.95
  4. Step 4: Simplify right side
    11,579.18x = 100,253,092.49
  5. Step 5: Solve for x
    x = 100,253,092.49/11,579.18
  6. Step 6: Final answer
    x = 8,658.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.