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Finding the Fourth Proportional to 11,659.94, 16,091.05 and 6,355.10

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Solution

The fourth proportional to 11,659.94, 16,091.05 and 6,355.10 is: 8,770.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,659.94 : 16,091.05 = 6,355.10 : x
  2. Step 2: Convert to fraction form
    11,659.94/16,091.05 = 6,355.10/x
  3. Step 3: Cross multiply
    11,659.94x = 16,091.05 × 6,355.10
  4. Step 4: Simplify right side
    11,659.94x = 102,260,151.40
  5. Step 5: Solve for x
    x = 102,260,151.40/11,659.94
  6. Step 6: Final answer
    x = 8,770.22

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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.