Home / 10,100.13-15,149.13-2,705.33

Finding the Fourth Proportional to 10,100.13, 15,149.13 and 2,705.33

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Solution

The fourth proportional to 10,100.13, 15,149.13 and 2,705.33 is: 4,057.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,100.13 : 15,149.13 = 2,705.33 : x
  2. Step 2: Convert to fraction form
    10,100.13/15,149.13 = 2,705.33/x
  3. Step 3: Cross multiply
    10,100.13x = 15,149.13 × 2,705.33
  4. Step 4: Simplify right side
    10,100.13x = 40,983,423.59
  5. Step 5: Solve for x
    x = 40,983,423.59/10,100.13
  6. Step 6: Final answer
    x = 4,057.71

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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.