Home / 12,163.34-16,651.62-12,081.33

Finding the Fourth Proportional to 12,163.34, 16,651.62 and 12,081.33

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Solution

The fourth proportional to 12,163.34, 16,651.62 and 12,081.33 is: 16,539.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,163.34 : 16,651.62 = 12,081.33 : x
  2. Step 2: Convert to fraction form
    12,163.34/16,651.62 = 12,081.33/x
  3. Step 3: Cross multiply
    12,163.34x = 16,651.62 × 12,081.33
  4. Step 4: Simplify right side
    12,163.34x = 201,173,716.25
  5. Step 5: Solve for x
    x = 201,173,716.25/12,163.34
  6. Step 6: Final answer
    x = 16,539.34

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.