Home / 9,243.44-12,743.36-6,725.68

Finding the Fourth Proportional to 9,243.44, 12,743.36 and 6,725.68

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Solution

The fourth proportional to 9,243.44, 12,743.36 and 6,725.68 is: 9,272.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,243.44 : 12,743.36 = 6,725.68 : x
  2. Step 2: Convert to fraction form
    9,243.44/12,743.36 = 6,725.68/x
  3. Step 3: Cross multiply
    9,243.44x = 12,743.36 × 6,725.68
  4. Step 4: Simplify right side
    9,243.44x = 85,707,761.48
  5. Step 5: Solve for x
    x = 85,707,761.48/9,243.44
  6. Step 6: Final answer
    x = 9,272.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.