Home / 8,151.08-12,226.62-3,767.72

Finding the Fourth Proportional to 8,151.08, 12,226.62 and 3,767.72

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Solution

The fourth proportional to 8,151.08, 12,226.62 and 3,767.72 is: 5,651.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,151.08 : 12,226.62 = 3,767.72 : x
  2. Step 2: Convert to fraction form
    8,151.08/12,226.62 = 3,767.72/x
  3. Step 3: Cross multiply
    8,151.08x = 12,226.62 × 3,767.72
  4. Step 4: Simplify right side
    8,151.08x = 46,066,480.71
  5. Step 5: Solve for x
    x = 46,066,480.71/8,151.08
  6. Step 6: Final answer
    x = 5,651.58

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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.