Home / 11,736.97-16,196.76-6,431.68

Finding the Fourth Proportional to 11,736.97, 16,196.76 and 6,431.68

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Solution

The fourth proportional to 11,736.97, 16,196.76 and 6,431.68 is: 8,875.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,736.97 : 16,196.76 = 6,431.68 : x
  2. Step 2: Convert to fraction form
    11,736.97/16,196.76 = 6,431.68/x
  3. Step 3: Cross multiply
    11,736.97x = 16,196.76 × 6,431.68
  4. Step 4: Simplify right side
    11,736.97x = 104,172,377.36
  5. Step 5: Solve for x
    x = 104,172,377.36/11,736.97
  6. Step 6: Final answer
    x = 8,875.58

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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.