Home / 11,453.64-17,169.12-6,450.18

Finding the Fourth Proportional to 11,453.64, 17,169.12 and 6,450.18

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Solution

The fourth proportional to 11,453.64, 17,169.12 and 6,450.18 is: 9,668.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,453.64 : 17,169.12 = 6,450.18 : x
  2. Step 2: Convert to fraction form
    11,453.64/17,169.12 = 6,450.18/x
  3. Step 3: Cross multiply
    11,453.64x = 17,169.12 × 6,450.18
  4. Step 4: Simplify right side
    11,453.64x = 110,743,914.44
  5. Step 5: Solve for x
    x = 110,743,914.44/11,453.64
  6. Step 6: Final answer
    x = 9,668.88

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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.