Home / 8,151.90-11,249.67-4,794.86

Finding the Fourth Proportional to 8,151.90, 11,249.67 and 4,794.86

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Solution

The fourth proportional to 8,151.90, 11,249.67 and 4,794.86 is: 6,616.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,151.90 : 11,249.67 = 4,794.86 : x
  2. Step 2: Convert to fraction form
    8,151.90/11,249.67 = 4,794.86/x
  3. Step 3: Cross multiply
    8,151.90x = 11,249.67 × 4,794.86
  4. Step 4: Simplify right side
    8,151.90x = 53,940,536.45
  5. Step 5: Solve for x
    x = 53,940,536.45/8,151.90
  6. Step 6: Final answer
    x = 6,616.93

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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.