Home / 11,722.93-16,177.73-6,418.24

Finding the Fourth Proportional to 11,722.93, 16,177.73 and 6,418.24

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Solution

The fourth proportional to 11,722.93, 16,177.73 and 6,418.24 is: 8,857.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,722.93 : 16,177.73 = 6,418.24 : x
  2. Step 2: Convert to fraction form
    11,722.93/16,177.73 = 6,418.24/x
  3. Step 3: Cross multiply
    11,722.93x = 16,177.73 × 6,418.24
  4. Step 4: Simplify right side
    11,722.93x = 103,832,481.26
  5. Step 5: Solve for x
    x = 103,832,481.26/11,722.93
  6. Step 6: Final answer
    x = 8,857.21

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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.