Home / 11,881.82-16,395.19-6,576.62

Finding the Fourth Proportional to 11,881.82, 16,395.19 and 6,576.62

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Solution

The fourth proportional to 11,881.82, 16,395.19 and 6,576.62 is: 9,074.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,881.82 : 16,395.19 = 6,576.62 : x
  2. Step 2: Convert to fraction form
    11,881.82/16,395.19 = 6,576.62/x
  3. Step 3: Cross multiply
    11,881.82x = 16,395.19 × 6,576.62
  4. Step 4: Simplify right side
    11,881.82x = 107,824,920.10
  5. Step 5: Solve for x
    x = 107,824,920.10/11,881.82
  6. Step 6: Final answer
    x = 9,074.78

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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.