Home / 10,083.26-15,120.30-4,236.68

Finding the Fourth Proportional to 10,083.26, 15,120.30 and 4,236.68

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Solution

The fourth proportional to 10,083.26, 15,120.30 and 4,236.68 is: 6,353.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,083.26 : 15,120.30 = 4,236.68 : x
  2. Step 2: Convert to fraction form
    10,083.26/15,120.30 = 4,236.68/x
  3. Step 3: Cross multiply
    10,083.26x = 15,120.30 × 4,236.68
  4. Step 4: Simplify right side
    10,083.26x = 64,059,872.60
  5. Step 5: Solve for x
    x = 64,059,872.60/10,083.26
  6. Step 6: Final answer
    x = 6,353.09

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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.