Home / 11,979.62-16,496.21-11,714.09

Finding the Fourth Proportional to 11,979.62, 16,496.21 and 11,714.09

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Solution

The fourth proportional to 11,979.62, 16,496.21 and 11,714.09 is: 16,130.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,979.62 : 16,496.21 = 11,714.09 : x
  2. Step 2: Convert to fraction form
    11,979.62/16,496.21 = 11,714.09/x
  3. Step 3: Cross multiply
    11,979.62x = 16,496.21 × 11,714.09
  4. Step 4: Simplify right side
    11,979.62x = 193,238,159.12
  5. Step 5: Solve for x
    x = 193,238,159.12/11,979.62
  6. Step 6: Final answer
    x = 16,130.58

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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.