Home / 12,081.74-18,107.73-5,759.94

Finding the Fourth Proportional to 12,081.74, 18,107.73 and 5,759.94

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Solution

The fourth proportional to 12,081.74, 18,107.73 and 5,759.94 is: 8,632.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,081.74 : 18,107.73 = 5,759.94 : x
  2. Step 2: Convert to fraction form
    12,081.74/18,107.73 = 5,759.94/x
  3. Step 3: Cross multiply
    12,081.74x = 18,107.73 × 5,759.94
  4. Step 4: Simplify right side
    12,081.74x = 104,299,506.24
  5. Step 5: Solve for x
    x = 104,299,506.24/12,081.74
  6. Step 6: Final answer
    x = 8,632.83

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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.