Home / 10,399.12-15,600.96-3,473.44

Finding the Fourth Proportional to 10,399.12, 15,600.96 and 3,473.44

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Solution

The fourth proportional to 10,399.12, 15,600.96 and 3,473.44 is: 5,210.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,399.12 : 15,600.96 = 3,473.44 : x
  2. Step 2: Convert to fraction form
    10,399.12/15,600.96 = 3,473.44/x
  3. Step 3: Cross multiply
    10,399.12x = 15,600.96 × 3,473.44
  4. Step 4: Simplify right side
    10,399.12x = 54,188,998.50
  5. Step 5: Solve for x
    x = 54,188,998.50/10,399.12
  6. Step 6: Final answer
    x = 5,210.92

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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.