Home / 8,145.30-11,240.75-4,608.44

Finding the Fourth Proportional to 8,145.30, 11,240.75 and 4,608.44

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Solution

The fourth proportional to 8,145.30, 11,240.75 and 4,608.44 is: 6,359.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,145.30 : 11,240.75 = 4,608.44 : x
  2. Step 2: Convert to fraction form
    8,145.30/11,240.75 = 4,608.44/x
  3. Step 3: Cross multiply
    8,145.30x = 11,240.75 × 4,608.44
  4. Step 4: Simplify right side
    8,145.30x = 51,802,321.93
  5. Step 5: Solve for x
    x = 51,802,321.93/8,145.30
  6. Step 6: Final answer
    x = 6,359.78

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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.