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Finding the Fourth Proportional to 11,794.43, 16,283.03 and 7,820.91

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Solution

The fourth proportional to 11,794.43, 16,283.03 and 7,820.91 is: 10,797.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,794.43 : 16,283.03 = 7,820.91 : x
  2. Step 2: Convert to fraction form
    11,794.43/16,283.03 = 7,820.91/x
  3. Step 3: Cross multiply
    11,794.43x = 16,283.03 × 7,820.91
  4. Step 4: Simplify right side
    11,794.43x = 127,348,073.05
  5. Step 5: Solve for x
    x = 127,348,073.05/11,794.43
  6. Step 6: Final answer
    x = 10,797.30

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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.