Home / 8,263.89-11,404.25-4,487.09

Finding the Fourth Proportional to 8,263.89, 11,404.25 and 4,487.09

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Solution

The fourth proportional to 8,263.89, 11,404.25 and 4,487.09 is: 6,192.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,263.89 : 11,404.25 = 4,487.09 : x
  2. Step 2: Convert to fraction form
    8,263.89/11,404.25 = 4,487.09/x
  3. Step 3: Cross multiply
    8,263.89x = 11,404.25 × 4,487.09
  4. Step 4: Simplify right side
    8,263.89x = 51,171,816.68
  5. Step 5: Solve for x
    x = 51,171,816.68/8,263.89
  6. Step 6: Final answer
    x = 6,192.22

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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.