Home / 11,895.97-16,397.31-8,066.36

Finding the Fourth Proportional to 11,895.97, 16,397.31 and 8,066.36

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Solution

The fourth proportional to 11,895.97, 16,397.31 and 8,066.36 is: 11,118.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,895.97 : 16,397.31 = 8,066.36 : x
  2. Step 2: Convert to fraction form
    11,895.97/16,397.31 = 8,066.36/x
  3. Step 3: Cross multiply
    11,895.97x = 16,397.31 × 8,066.36
  4. Step 4: Simplify right side
    11,895.97x = 132,266,605.49
  5. Step 5: Solve for x
    x = 132,266,605.49/11,895.97
  6. Step 6: Final answer
    x = 11,118.61

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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.