Home / 6,911.92-9,538.32-3,768.04

Finding the Fourth Proportional to 6,911.92, 9,538.32 and 3,768.04

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Solution

The fourth proportional to 6,911.92, 9,538.32 and 3,768.04 is: 5,199.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,911.92 : 9,538.32 = 3,768.04 : x
  2. Step 2: Convert to fraction form
    6,911.92/9,538.32 = 3,768.04/x
  3. Step 3: Cross multiply
    6,911.92x = 9,538.32 × 3,768.04
  4. Step 4: Simplify right side
    6,911.92x = 35,940,771.29
  5. Step 5: Solve for x
    x = 35,940,771.29/6,911.92
  6. Step 6: Final answer
    x = 5,199.82

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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.