Home / 8,150.10-11,249.79-4,792.74

Finding the Fourth Proportional to 8,150.10, 11,249.79 and 4,792.74

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Solution

The fourth proportional to 8,150.10, 11,249.79 and 4,792.74 is: 6,615.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,150.10 : 11,249.79 = 4,792.74 : x
  2. Step 2: Convert to fraction form
    8,150.10/11,249.79 = 4,792.74/x
  3. Step 3: Cross multiply
    8,150.10x = 11,249.79 × 4,792.74
  4. Step 4: Simplify right side
    8,150.10x = 53,917,318.52
  5. Step 5: Solve for x
    x = 53,917,318.52/8,150.10
  6. Step 6: Final answer
    x = 6,615.54

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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.