Home / 12,324.09-16,992.36-8,550.48

Finding the Fourth Proportional to 12,324.09, 16,992.36 and 8,550.48

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Solution

The fourth proportional to 12,324.09, 16,992.36 and 8,550.48 is: 11,789.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,324.09 : 16,992.36 = 8,550.48 : x
  2. Step 2: Convert to fraction form
    12,324.09/16,992.36 = 8,550.48/x
  3. Step 3: Cross multiply
    12,324.09x = 16,992.36 × 8,550.48
  4. Step 4: Simplify right side
    12,324.09x = 145,292,834.33
  5. Step 5: Solve for x
    x = 145,292,834.33/12,324.09
  6. Step 6: Final answer
    x = 11,789.34

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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.