Home / 12,034.09-18,043.44-5,781.66

Finding the Fourth Proportional to 12,034.09, 18,043.44 and 5,781.66

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Solution

The fourth proportional to 12,034.09, 18,043.44 and 5,781.66 is: 8,668.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,034.09 : 18,043.44 = 5,781.66 : x
  2. Step 2: Convert to fraction form
    12,034.09/18,043.44 = 5,781.66/x
  3. Step 3: Cross multiply
    12,034.09x = 18,043.44 × 5,781.66
  4. Step 4: Simplify right side
    12,034.09x = 104,321,056.99
  5. Step 5: Solve for x
    x = 104,321,056.99/12,034.09
  6. Step 6: Final answer
    x = 8,668.79

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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.