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Finding the Fourth Proportional to 10,612.08, 14,611.11 and 8,086.08

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Solution

The fourth proportional to 10,612.08, 14,611.11 and 8,086.08 is: 11,133.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,612.08 : 14,611.11 = 8,086.08 : x
  2. Step 2: Convert to fraction form
    10,612.08/14,611.11 = 8,086.08/x
  3. Step 3: Cross multiply
    10,612.08x = 14,611.11 × 8,086.08
  4. Step 4: Simplify right side
    10,612.08x = 118,146,604.35
  5. Step 5: Solve for x
    x = 118,146,604.35/10,612.08
  6. Step 6: Final answer
    x = 11,133.22

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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.