Home / 9,111.51-13,668.62-3,266.75

Finding the Fourth Proportional to 9,111.51, 13,668.62 and 3,266.75

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Solution

The fourth proportional to 9,111.51, 13,668.62 and 3,266.75 is: 4,900.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,111.51 : 13,668.62 = 3,266.75 : x
  2. Step 2: Convert to fraction form
    9,111.51/13,668.62 = 3,266.75/x
  3. Step 3: Cross multiply
    9,111.51x = 13,668.62 × 3,266.75
  4. Step 4: Simplify right side
    9,111.51x = 44,651,982.22
  5. Step 5: Solve for x
    x = 44,651,982.22/9,111.51
  6. Step 6: Final answer
    x = 4,900.61

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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.