Home / 10,845.74-16,268.38-3,450.21

Finding the Fourth Proportional to 10,845.74, 16,268.38 and 3,450.21

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Solution

The fourth proportional to 10,845.74, 16,268.38 and 3,450.21 is: 5,175.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,845.74 : 16,268.38 = 3,450.21 : x
  2. Step 2: Convert to fraction form
    10,845.74/16,268.38 = 3,450.21/x
  3. Step 3: Cross multiply
    10,845.74x = 16,268.38 × 3,450.21
  4. Step 4: Simplify right side
    10,845.74x = 56,129,318.73
  5. Step 5: Solve for x
    x = 56,129,318.73/10,845.74
  6. Step 6: Final answer
    x = 5,175.24

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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.