Home / 6,911.92-9,538.68-3,768.22

Finding the Fourth Proportional to 6,911.92, 9,538.68 and 3,768.22

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Solution

The fourth proportional to 6,911.92, 9,538.68 and 3,768.22 is: 5,200.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,911.92 : 9,538.68 = 3,768.22 : x
  2. Step 2: Convert to fraction form
    6,911.92/9,538.68 = 3,768.22/x
  3. Step 3: Cross multiply
    6,911.92x = 9,538.68 × 3,768.22
  4. Step 4: Simplify right side
    6,911.92x = 35,943,844.75
  5. Step 5: Solve for x
    x = 35,943,844.75/6,911.92
  6. Step 6: Final answer
    x = 5,200.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.