Home / 8,238.44-11,363.56-5,408.37

Finding the Fourth Proportional to 8,238.44, 11,363.56 and 5,408.37

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Solution

The fourth proportional to 8,238.44, 11,363.56 and 5,408.37 is: 7,459.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,238.44 : 11,363.56 = 5,408.37 : x
  2. Step 2: Convert to fraction form
    8,238.44/11,363.56 = 5,408.37/x
  3. Step 3: Cross multiply
    8,238.44x = 11,363.56 × 5,408.37
  4. Step 4: Simplify right side
    8,238.44x = 61,458,323.48
  5. Step 5: Solve for x
    x = 61,458,323.48/8,238.44
  6. Step 6: Final answer
    x = 7,459.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.