Home / 11,736.24-16,195.20-6,431.04

Finding the Fourth Proportional to 11,736.24, 16,195.20 and 6,431.04

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Solution

The fourth proportional to 11,736.24, 16,195.20 and 6,431.04 is: 8,874.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,736.24 : 16,195.20 = 6,431.04 : x
  2. Step 2: Convert to fraction form
    11,736.24/16,195.20 = 6,431.04/x
  3. Step 3: Cross multiply
    11,736.24x = 16,195.20 × 6,431.04
  4. Step 4: Simplify right side
    11,736.24x = 104,151,979.01
  5. Step 5: Solve for x
    x = 104,151,979.01/11,736.24
  6. Step 6: Final answer
    x = 8,874.39

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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.