Home / 11,408.14-17,112.82-3,617.56

Finding the Fourth Proportional to 11,408.14, 17,112.82 and 3,617.56

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Solution

The fourth proportional to 11,408.14, 17,112.82 and 3,617.56 is: 5,426.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,408.14 : 17,112.82 = 3,617.56 : x
  2. Step 2: Convert to fraction form
    11,408.14/17,112.82 = 3,617.56/x
  3. Step 3: Cross multiply
    11,408.14x = 17,112.82 × 3,617.56
  4. Step 4: Simplify right side
    11,408.14x = 61,906,653.12
  5. Step 5: Solve for x
    x = 61,906,653.12/11,408.14
  6. Step 6: Final answer
    x = 5,426.53

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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.