Home / 12,028.19-18,044.64-3,706.79

Finding the Fourth Proportional to 12,028.19, 18,044.64 and 3,706.79

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Solution

The fourth proportional to 12,028.19, 18,044.64 and 3,706.79 is: 5,560.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,028.19 : 18,044.64 = 3,706.79 : x
  2. Step 2: Convert to fraction form
    12,028.19/18,044.64 = 3,706.79/x
  3. Step 3: Cross multiply
    12,028.19x = 18,044.64 × 3,706.79
  4. Step 4: Simplify right side
    12,028.19x = 66,887,600.88
  5. Step 5: Solve for x
    x = 66,887,600.88/12,028.19
  6. Step 6: Final answer
    x = 5,560.91

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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.