Home / 8,297.09-11,449.88-4,520.42

Finding the Fourth Proportional to 8,297.09, 11,449.88 and 4,520.42

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Solution

The fourth proportional to 8,297.09, 11,449.88 and 4,520.42 is: 6,238.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,297.09 : 11,449.88 = 4,520.42 : x
  2. Step 2: Convert to fraction form
    8,297.09/11,449.88 = 4,520.42/x
  3. Step 3: Cross multiply
    8,297.09x = 11,449.88 × 4,520.42
  4. Step 4: Simplify right side
    8,297.09x = 51,758,227.10
  5. Step 5: Solve for x
    x = 51,758,227.10/8,297.09
  6. Step 6: Final answer
    x = 6,238.12

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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.