Home / 11,736.09-16,177.73-8,372.97

Finding the Fourth Proportional to 11,736.09, 16,177.73 and 8,372.97

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Solution

The fourth proportional to 11,736.09, 16,177.73 and 8,372.97 is: 11,541.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,736.09 : 16,177.73 = 8,372.97 : x
  2. Step 2: Convert to fraction form
    11,736.09/16,177.73 = 8,372.97/x
  3. Step 3: Cross multiply
    11,736.09x = 16,177.73 × 8,372.97
  4. Step 4: Simplify right side
    11,736.09x = 135,455,606.09
  5. Step 5: Solve for x
    x = 135,455,606.09/11,736.09
  6. Step 6: Final answer
    x = 11,541.80

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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.