Home / 8,159.10-12,237.04-3,997.32

Finding the Fourth Proportional to 8,159.10, 12,237.04 and 3,997.32

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Solution

The fourth proportional to 8,159.10, 12,237.04 and 3,997.32 is: 5,995.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,159.10 : 12,237.04 = 3,997.32 : x
  2. Step 2: Convert to fraction form
    8,159.10/12,237.04 = 3,997.32/x
  3. Step 3: Cross multiply
    8,159.10x = 12,237.04 × 3,997.32
  4. Step 4: Simplify right side
    8,159.10x = 48,915,364.73
  5. Step 5: Solve for x
    x = 48,915,364.73/8,159.10
  6. Step 6: Final answer
    x = 5,995.19

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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.