Home / 8,297.21-11,450.40-4,520.54

Finding the Fourth Proportional to 8,297.21, 11,450.40 and 4,520.54

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Solution

The fourth proportional to 8,297.21, 11,450.40 and 4,520.54 is: 6,238.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,297.21 : 11,450.40 = 4,520.54 : x
  2. Step 2: Convert to fraction form
    8,297.21/11,450.40 = 4,520.54/x
  3. Step 3: Cross multiply
    8,297.21x = 11,450.40 × 4,520.54
  4. Step 4: Simplify right side
    8,297.21x = 51,761,991.22
  5. Step 5: Solve for x
    x = 51,761,991.22/8,297.21
  6. Step 6: Final answer
    x = 6,238.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.