Home / 11,150.97-15,376.84-7,792.55

Finding the Fourth Proportional to 11,150.97, 15,376.84 and 7,792.55

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Solution

The fourth proportional to 11,150.97, 15,376.84 and 7,792.55 is: 10,745.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,150.97 : 15,376.84 = 7,792.55 : x
  2. Step 2: Convert to fraction form
    11,150.97/15,376.84 = 7,792.55/x
  3. Step 3: Cross multiply
    11,150.97x = 15,376.84 × 7,792.55
  4. Step 4: Simplify right side
    11,150.97x = 119,824,794.54
  5. Step 5: Solve for x
    x = 119,824,794.54/11,150.97
  6. Step 6: Final answer
    x = 10,745.68

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Double scale
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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.