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Finding the Fourth Proportional to 11,204.60, 16,785.03 and 6,811.16

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Solution

The fourth proportional to 11,204.60, 16,785.03 and 6,811.16 is: 10,203.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,204.60 : 16,785.03 = 6,811.16 : x
  2. Step 2: Convert to fraction form
    11,204.60/16,785.03 = 6,811.16/x
  3. Step 3: Cross multiply
    11,204.60x = 16,785.03 × 6,811.16
  4. Step 4: Simplify right side
    11,204.60x = 114,325,524.93
  5. Step 5: Solve for x
    x = 114,325,524.93/11,204.60
  6. Step 6: Final answer
    x = 10,203.45

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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.