Home / 10,236.96-15,354.96-3,998.12

Finding the Fourth Proportional to 10,236.96, 15,354.96 and 3,998.12

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Solution

The fourth proportional to 10,236.96, 15,354.96 and 3,998.12 is: 5,996.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,236.96 : 15,354.96 = 3,998.12 : x
  2. Step 2: Convert to fraction form
    10,236.96/15,354.96 = 3,998.12/x
  3. Step 3: Cross multiply
    10,236.96x = 15,354.96 × 3,998.12
  4. Step 4: Simplify right side
    10,236.96x = 61,390,895.90
  5. Step 5: Solve for x
    x = 61,390,895.90/10,236.96
  6. Step 6: Final answer
    x = 5,996.99

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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.