Home / 12,181.06-16,794.57-9,940.66

Finding the Fourth Proportional to 12,181.06, 16,794.57 and 9,940.66

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Solution

The fourth proportional to 12,181.06, 16,794.57 and 9,940.66 is: 13,705.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,181.06 : 16,794.57 = 9,940.66 : x
  2. Step 2: Convert to fraction form
    12,181.06/16,794.57 = 9,940.66/x
  3. Step 3: Cross multiply
    12,181.06x = 16,794.57 × 9,940.66
  4. Step 4: Simplify right side
    12,181.06x = 166,949,110.22
  5. Step 5: Solve for x
    x = 166,949,110.22/12,181.06
  6. Step 6: Final answer
    x = 13,705.63

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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.