Home / 9,142.44-13,713.72-2,568.75

Finding the Fourth Proportional to 9,142.44, 13,713.72 and 2,568.75

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Solution

The fourth proportional to 9,142.44, 13,713.72 and 2,568.75 is: 3,853.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,142.44 : 13,713.72 = 2,568.75 : x
  2. Step 2: Convert to fraction form
    9,142.44/13,713.72 = 2,568.75/x
  3. Step 3: Cross multiply
    9,142.44x = 13,713.72 × 2,568.75
  4. Step 4: Simplify right side
    9,142.44x = 35,227,118.25
  5. Step 5: Solve for x
    x = 35,227,118.25/9,142.44
  6. Step 6: Final answer
    x = 3,853.14

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Double scale
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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.