Home / 8,743.28-13,107.60-3,552.80

Finding the Fourth Proportional to 8,743.28, 13,107.60 and 3,552.80

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Solution

The fourth proportional to 8,743.28, 13,107.60 and 3,552.80 is: 5,326.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,743.28 : 13,107.60 = 3,552.80 : x
  2. Step 2: Convert to fraction form
    8,743.28/13,107.60 = 3,552.80/x
  3. Step 3: Cross multiply
    8,743.28x = 13,107.60 × 3,552.80
  4. Step 4: Simplify right side
    8,743.28x = 46,568,681.28
  5. Step 5: Solve for x
    x = 46,568,681.28/8,743.28
  6. Step 6: Final answer
    x = 5,326.23

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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.