Home / 9,275.13-13,912.69-2,255.09

Finding the Fourth Proportional to 9,275.13, 13,912.69 and 2,255.09

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Solution

The fourth proportional to 9,275.13, 13,912.69 and 2,255.09 is: 3,382.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,275.13 : 13,912.69 = 2,255.09 : x
  2. Step 2: Convert to fraction form
    9,275.13/13,912.69 = 2,255.09/x
  3. Step 3: Cross multiply
    9,275.13x = 13,912.69 × 2,255.09
  4. Step 4: Simplify right side
    9,275.13x = 31,374,419.09
  5. Step 5: Solve for x
    x = 31,374,419.09/9,275.13
  6. Step 6: Final answer
    x = 3,382.64

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Similar ratio
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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.