Home / 7,924.25-11,874.65-3,238.60

Finding the Fourth Proportional to 7,924.25, 11,874.65 and 3,238.60

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Solution

The fourth proportional to 7,924.25, 11,874.65 and 3,238.60 is: 4,853.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,924.25 : 11,874.65 = 3,238.60 : x
  2. Step 2: Convert to fraction form
    7,924.25/11,874.65 = 3,238.60/x
  3. Step 3: Cross multiply
    7,924.25x = 11,874.65 × 3,238.60
  4. Step 4: Simplify right side
    7,924.25x = 38,457,241.49
  5. Step 5: Solve for x
    x = 38,457,241.49/7,924.25
  6. Step 6: Final answer
    x = 4,853.11

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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.