Home / 7,457.21-11,183.42-3,297.12

Finding the Fourth Proportional to 7,457.21, 11,183.42 and 3,297.12

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Solution

The fourth proportional to 7,457.21, 11,183.42 and 3,297.12 is: 4,944.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,457.21 : 11,183.42 = 3,297.12 : x
  2. Step 2: Convert to fraction form
    7,457.21/11,183.42 = 3,297.12/x
  3. Step 3: Cross multiply
    7,457.21x = 11,183.42 × 3,297.12
  4. Step 4: Simplify right side
    7,457.21x = 36,873,061.26
  5. Step 5: Solve for x
    x = 36,873,061.26/7,457.21
  6. Step 6: Final answer
    x = 4,944.62

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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.