Home / 8,936.44-12,331.68-4,902.64

Finding the Fourth Proportional to 8,936.44, 12,331.68 and 4,902.64

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Solution

The fourth proportional to 8,936.44, 12,331.68 and 4,902.64 is: 6,765.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,936.44 : 12,331.68 = 4,902.64 : x
  2. Step 2: Convert to fraction form
    8,936.44/12,331.68 = 4,902.64/x
  3. Step 3: Cross multiply
    8,936.44x = 12,331.68 × 4,902.64
  4. Step 4: Simplify right side
    8,936.44x = 60,457,787.64
  5. Step 5: Solve for x
    x = 60,457,787.64/8,936.44
  6. Step 6: Final answer
    x = 6,765.31

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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.