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Finding the Fourth Proportional to 11,694.36, 16,136.04 and 6,979.08

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Solution

The fourth proportional to 11,694.36, 16,136.04 and 6,979.08 is: 9,629.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,694.36 : 16,136.04 = 6,979.08 : x
  2. Step 2: Convert to fraction form
    11,694.36/16,136.04 = 6,979.08/x
  3. Step 3: Cross multiply
    11,694.36x = 16,136.04 × 6,979.08
  4. Step 4: Simplify right side
    11,694.36x = 112,614,714.04
  5. Step 5: Solve for x
    x = 112,614,714.04/11,694.36
  6. Step 6: Final answer
    x = 9,629.83

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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.