Home / 12,089.28-18,133.47-3,323.97

Finding the Fourth Proportional to 12,089.28, 18,133.47 and 3,323.97

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Solution

The fourth proportional to 12,089.28, 18,133.47 and 3,323.97 is: 4,985.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,089.28 : 18,133.47 = 3,323.97 : x
  2. Step 2: Convert to fraction form
    12,089.28/18,133.47 = 3,323.97/x
  3. Step 3: Cross multiply
    12,089.28x = 18,133.47 × 3,323.97
  4. Step 4: Simplify right side
    12,089.28x = 60,275,110.28
  5. Step 5: Solve for x
    x = 60,275,110.28/12,089.28
  6. Step 6: Final answer
    x = 4,985.83

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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.