Home / 10,112.11-15,174.99-3,538.35

Finding the Fourth Proportional to 10,112.11, 15,174.99 and 3,538.35

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Solution

The fourth proportional to 10,112.11, 15,174.99 and 3,538.35 is: 5,309.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,112.11 : 15,174.99 = 3,538.35 : x
  2. Step 2: Convert to fraction form
    10,112.11/15,174.99 = 3,538.35/x
  3. Step 3: Cross multiply
    10,112.11x = 15,174.99 × 3,538.35
  4. Step 4: Simplify right side
    10,112.11x = 53,694,425.87
  5. Step 5: Solve for x
    x = 53,694,425.87/10,112.11
  6. Step 6: Final answer
    x = 5,309.91

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1.5x scale

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.