Home / 8,241.40-12,353.83-4,084.43

Finding the Fourth Proportional to 8,241.40, 12,353.83 and 4,084.43

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Solution

The fourth proportional to 8,241.40, 12,353.83 and 4,084.43 is: 6,122.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,241.40 : 12,353.83 = 4,084.43 : x
  2. Step 2: Convert to fraction form
    8,241.40/12,353.83 = 4,084.43/x
  3. Step 3: Cross multiply
    8,241.40x = 12,353.83 × 4,084.43
  4. Step 4: Simplify right side
    8,241.40x = 50,458,281.89
  5. Step 5: Solve for x
    x = 50,458,281.89/8,241.40
  6. Step 6: Final answer
    x = 6,122.54

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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.