Home / 6,922.16-10,385.16-3,995.12

Finding the Fourth Proportional to 6,922.16, 10,385.16 and 3,995.12

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Solution

The fourth proportional to 6,922.16, 10,385.16 and 3,995.12 is: 5,993.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,922.16 : 10,385.16 = 3,995.12 : x
  2. Step 2: Convert to fraction form
    6,922.16/10,385.16 = 3,995.12/x
  3. Step 3: Cross multiply
    6,922.16x = 10,385.16 × 3,995.12
  4. Step 4: Simplify right side
    6,922.16x = 41,489,960.42
  5. Step 5: Solve for x
    x = 41,489,960.42/6,922.16
  6. Step 6: Final answer
    x = 5,993.79

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Double scale
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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.