Home / 10,035.20-15,062.06-5,108.39

Finding the Fourth Proportional to 10,035.20, 15,062.06 and 5,108.39

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Solution

The fourth proportional to 10,035.20, 15,062.06 and 5,108.39 is: 7,667.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,035.20 : 15,062.06 = 5,108.39 : x
  2. Step 2: Convert to fraction form
    10,035.20/15,062.06 = 5,108.39/x
  3. Step 3: Cross multiply
    10,035.20x = 15,062.06 × 5,108.39
  4. Step 4: Simplify right side
    10,035.20x = 76,942,876.68
  5. Step 5: Solve for x
    x = 76,942,876.68/10,035.20
  6. Step 6: Final answer
    x = 7,667.30

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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.