Home / 12,028.86-18,044.37-3,708.99

Finding the Fourth Proportional to 12,028.86, 18,044.37 and 3,708.99

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Solution

The fourth proportional to 12,028.86, 18,044.37 and 3,708.99 is: 5,563.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,028.86 : 18,044.37 = 3,708.99 : x
  2. Step 2: Convert to fraction form
    12,028.86/18,044.37 = 3,708.99/x
  3. Step 3: Cross multiply
    12,028.86x = 18,044.37 × 3,708.99
  4. Step 4: Simplify right side
    12,028.86x = 66,926,387.89
  5. Step 5: Solve for x
    x = 66,926,387.89/12,028.86
  6. Step 6: Final answer
    x = 5,563.82

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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.