Home / 11,115.82-16,661.58-6,732.10

Finding the Fourth Proportional to 11,115.82, 16,661.58 and 6,732.10

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Solution

The fourth proportional to 11,115.82, 16,661.58 and 6,732.10 is: 10,090.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,115.82 : 16,661.58 = 6,732.10 : x
  2. Step 2: Convert to fraction form
    11,115.82/16,661.58 = 6,732.10/x
  3. Step 3: Cross multiply
    11,115.82x = 16,661.58 × 6,732.10
  4. Step 4: Simplify right side
    11,115.82x = 112,167,422.72
  5. Step 5: Solve for x
    x = 112,167,422.72/11,115.82
  6. Step 6: Final answer
    x = 10,090.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.