Home / 8,078.04-11,147.07-4,540.56

Finding the Fourth Proportional to 8,078.04, 11,147.07 and 4,540.56

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Solution

The fourth proportional to 8,078.04, 11,147.07 and 4,540.56 is: 6,265.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,078.04 : 11,147.07 = 4,540.56 : x
  2. Step 2: Convert to fraction form
    8,078.04/11,147.07 = 4,540.56/x
  3. Step 3: Cross multiply
    8,078.04x = 11,147.07 × 4,540.56
  4. Step 4: Simplify right side
    8,078.04x = 50,613,940.16
  5. Step 5: Solve for x
    x = 50,613,940.16/8,078.04
  6. Step 6: Final answer
    x = 6,265.62

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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.