Home / 8,288.91-11,438.73-4,512.07

Finding the Fourth Proportional to 8,288.91, 11,438.73 and 4,512.07

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Solution

The fourth proportional to 8,288.91, 11,438.73 and 4,512.07 is: 6,226.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,288.91 : 11,438.73 = 4,512.07 : x
  2. Step 2: Convert to fraction form
    8,288.91/11,438.73 = 4,512.07/x
  3. Step 3: Cross multiply
    8,288.91x = 11,438.73 × 4,512.07
  4. Step 4: Simplify right side
    8,288.91x = 51,612,350.47
  5. Step 5: Solve for x
    x = 51,612,350.47/8,288.91
  6. Step 6: Final answer
    x = 6,226.68

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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.