Home / 8,161.02-12,237.48-3,999.24

Finding the Fourth Proportional to 8,161.02, 12,237.48 and 3,999.24

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Solution

The fourth proportional to 8,161.02, 12,237.48 and 3,999.24 is: 5,996.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,161.02 : 12,237.48 = 3,999.24 : x
  2. Step 2: Convert to fraction form
    8,161.02/12,237.48 = 3,999.24/x
  3. Step 3: Cross multiply
    8,161.02x = 12,237.48 × 3,999.24
  4. Step 4: Simplify right side
    8,161.02x = 48,940,619.52
  5. Step 5: Solve for x
    x = 48,940,619.52/8,161.02
  6. Step 6: Final answer
    x = 5,996.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.