Home / 11,299.92-15,593.44-6,520.06

Finding the Fourth Proportional to 11,299.92, 15,593.44 and 6,520.06

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Solution

The fourth proportional to 11,299.92, 15,593.44 and 6,520.06 is: 8,997.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,299.92 : 15,593.44 = 6,520.06 : x
  2. Step 2: Convert to fraction form
    11,299.92/15,593.44 = 6,520.06/x
  3. Step 3: Cross multiply
    11,299.92x = 15,593.44 × 6,520.06
  4. Step 4: Simplify right side
    11,299.92x = 101,670,164.41
  5. Step 5: Solve for x
    x = 101,670,164.41/11,299.92
  6. Step 6: Final answer
    x = 8,997.42

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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.