Home / 11,993.36-16,550.97-6,616.04

Finding the Fourth Proportional to 11,993.36, 16,550.97 and 6,616.04

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Solution

The fourth proportional to 11,993.36, 16,550.97 and 6,616.04 is: 9,130.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,993.36 : 16,550.97 = 6,616.04 : x
  2. Step 2: Convert to fraction form
    11,993.36/16,550.97 = 6,616.04/x
  3. Step 3: Cross multiply
    11,993.36x = 16,550.97 × 6,616.04
  4. Step 4: Simplify right side
    11,993.36x = 109,501,879.56
  5. Step 5: Solve for x
    x = 109,501,879.56/11,993.36
  6. Step 6: Final answer
    x = 9,130.21

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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.