Home / 8,112.14-12,166.38-3,725.37

Finding the Fourth Proportional to 8,112.14, 12,166.38 and 3,725.37

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Solution

The fourth proportional to 8,112.14, 12,166.38 and 3,725.37 is: 5,587.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,112.14 : 12,166.38 = 3,725.37 : x
  2. Step 2: Convert to fraction form
    8,112.14/12,166.38 = 3,725.37/x
  3. Step 3: Cross multiply
    8,112.14x = 12,166.38 × 3,725.37
  4. Step 4: Simplify right side
    8,112.14x = 45,324,267.06
  5. Step 5: Solve for x
    x = 45,324,267.06/8,112.14
  6. Step 6: Final answer
    x = 5,587.22

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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.