Home / 12,175.26-16,786.62-10,161.57

Finding the Fourth Proportional to 12,175.26, 16,786.62 and 10,161.57

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Solution

The fourth proportional to 12,175.26, 16,786.62 and 10,161.57 is: 14,010.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,175.26 : 16,786.62 = 10,161.57 : x
  2. Step 2: Convert to fraction form
    12,175.26/16,786.62 = 10,161.57/x
  3. Step 3: Cross multiply
    12,175.26x = 16,786.62 × 10,161.57
  4. Step 4: Simplify right side
    12,175.26x = 170,578,414.19
  5. Step 5: Solve for x
    x = 170,578,414.19/12,175.26
  6. Step 6: Final answer
    x = 14,010.25

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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.