Home / 11,839.68-16,339.91-8,850.33

Finding the Fourth Proportional to 11,839.68, 16,339.91 and 8,850.33

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Solution

The fourth proportional to 11,839.68, 16,339.91 and 8,850.33 is: 12,214.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,839.68 : 16,339.91 = 8,850.33 : x
  2. Step 2: Convert to fraction form
    11,839.68/16,339.91 = 8,850.33/x
  3. Step 3: Cross multiply
    11,839.68x = 16,339.91 × 8,850.33
  4. Step 4: Simplify right side
    11,839.68x = 144,613,551.42
  5. Step 5: Solve for x
    x = 144,613,551.42/11,839.68
  6. Step 6: Final answer
    x = 12,214.31

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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.