Home / 12,028.68-18,044.97-3,708.72

Finding the Fourth Proportional to 12,028.68, 18,044.97 and 3,708.72

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Solution

The fourth proportional to 12,028.68, 18,044.97 and 3,708.72 is: 5,563.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,028.68 : 18,044.97 = 3,708.72 : x
  2. Step 2: Convert to fraction form
    12,028.68/18,044.97 = 3,708.72/x
  3. Step 3: Cross multiply
    12,028.68x = 18,044.97 × 3,708.72
  4. Step 4: Simplify right side
    12,028.68x = 66,923,741.14
  5. Step 5: Solve for x
    x = 66,923,741.14/12,028.68
  6. Step 6: Final answer
    x = 5,563.68

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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.