Home / 8,007.78-11,050.62-4,471.04

Finding the Fourth Proportional to 8,007.78, 11,050.62 and 4,471.04

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Solution

The fourth proportional to 8,007.78, 11,050.62 and 4,471.04 is: 6,169.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,007.78 : 11,050.62 = 4,471.04 : x
  2. Step 2: Convert to fraction form
    8,007.78/11,050.62 = 4,471.04/x
  3. Step 3: Cross multiply
    8,007.78x = 11,050.62 × 4,471.04
  4. Step 4: Simplify right side
    8,007.78x = 49,407,764.04
  5. Step 5: Solve for x
    x = 49,407,764.04/8,007.78
  6. Step 6: Final answer
    x = 6,169.97

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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.