Home / 8,265.96-12,400.20-5,743.80

Finding the Fourth Proportional to 8,265.96, 12,400.20 and 5,743.80

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Solution

The fourth proportional to 8,265.96, 12,400.20 and 5,743.80 is: 8,616.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,265.96 : 12,400.20 = 5,743.80 : x
  2. Step 2: Convert to fraction form
    8,265.96/12,400.20 = 5,743.80/x
  3. Step 3: Cross multiply
    8,265.96x = 12,400.20 × 5,743.80
  4. Step 4: Simplify right side
    8,265.96x = 71,224,268.76
  5. Step 5: Solve for x
    x = 71,224,268.76/8,265.96
  6. Step 6: Final answer
    x = 8,616.58

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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.