Home / 7,512.44-11,275.68-3,817.32

Finding the Fourth Proportional to 7,512.44, 11,275.68 and 3,817.32

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Solution

The fourth proportional to 7,512.44, 11,275.68 and 3,817.32 is: 5,729.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,512.44 : 11,275.68 = 3,817.32 : x
  2. Step 2: Convert to fraction form
    7,512.44/11,275.68 = 3,817.32/x
  3. Step 3: Cross multiply
    7,512.44x = 11,275.68 × 3,817.32
  4. Step 4: Simplify right side
    7,512.44x = 43,042,878.78
  5. Step 5: Solve for x
    x = 43,042,878.78/7,512.44
  6. Step 6: Final answer
    x = 5,729.55

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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.