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Finding the Fourth Proportional to 8,794.09, 12,134.50 and 5,811.13

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Solution

The fourth proportional to 8,794.09, 12,134.50 and 5,811.13 is: 8,018.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,794.09 : 12,134.50 = 5,811.13 : x
  2. Step 2: Convert to fraction form
    8,794.09/12,134.50 = 5,811.13/x
  3. Step 3: Cross multiply
    8,794.09x = 12,134.50 × 5,811.13
  4. Step 4: Simplify right side
    8,794.09x = 70,515,156.99
  5. Step 5: Solve for x
    x = 70,515,156.99/8,794.09
  6. Step 6: Final answer
    x = 8,018.47

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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.