Home / 11,919.48-16,448.83-6,542

Finding the Fourth Proportional to 11,919.48, 16,448.83 and 6,542

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Solution

The fourth proportional to 11,919.48, 16,448.83 and 6,542 is: 9,027.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,919.48 : 16,448.83 = 6,542 : x
  2. Step 2: Convert to fraction form
    11,919.48/16,448.83 = 6,542/x
  3. Step 3: Cross multiply
    11,919.48x = 16,448.83 × 6,542
  4. Step 4: Simplify right side
    11,919.48x = 107,608,245.86
  5. Step 5: Solve for x
    x = 107,608,245.86/11,919.48
  6. Step 6: Final answer
    x = 9,027.93

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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.