Home / 8,540.30-11,784.42-5,004.62

Finding the Fourth Proportional to 8,540.30, 11,784.42 and 5,004.62

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Solution

The fourth proportional to 8,540.30, 11,784.42 and 5,004.62 is: 6,905.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,540.30 : 11,784.42 = 5,004.62 : x
  2. Step 2: Convert to fraction form
    8,540.30/11,784.42 = 5,004.62/x
  3. Step 3: Cross multiply
    8,540.30x = 11,784.42 × 5,004.62
  4. Step 4: Simplify right side
    8,540.30x = 58,976,544.02
  5. Step 5: Solve for x
    x = 58,976,544.02/8,540.30
  6. Step 6: Final answer
    x = 6,905.68

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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.