Home / 7,922.46-11,883.66-2,728.32

Finding the Fourth Proportional to 7,922.46, 11,883.66 and 2,728.32

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Solution

The fourth proportional to 7,922.46, 11,883.66 and 2,728.32 is: 4,092.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,922.46 : 11,883.66 = 2,728.32 : x
  2. Step 2: Convert to fraction form
    7,922.46/11,883.66 = 2,728.32/x
  3. Step 3: Cross multiply
    7,922.46x = 11,883.66 × 2,728.32
  4. Step 4: Simplify right side
    7,922.46x = 32,422,427.25
  5. Step 5: Solve for x
    x = 32,422,427.25/7,922.46
  6. Step 6: Final answer
    x = 4,092.47

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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.