Home / 10,377.28-15,579.77-6,168.39

Finding the Fourth Proportional to 10,377.28, 15,579.77 and 6,168.39

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Solution

The fourth proportional to 10,377.28, 15,579.77 and 6,168.39 is: 9,260.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,377.28 : 15,579.77 = 6,168.39 : x
  2. Step 2: Convert to fraction form
    10,377.28/15,579.77 = 6,168.39/x
  3. Step 3: Cross multiply
    10,377.28x = 15,579.77 × 6,168.39
  4. Step 4: Simplify right side
    10,377.28x = 96,102,097.47
  5. Step 5: Solve for x
    x = 96,102,097.47/10,377.28
  6. Step 6: Final answer
    x = 9,260.82

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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.