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Finding the Fourth Proportional to 10,694.42, 14,758.39 and 5,914.11

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Solution

The fourth proportional to 10,694.42, 14,758.39 and 5,914.11 is: 8,161.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,694.42 : 14,758.39 = 5,914.11 : x
  2. Step 2: Convert to fraction form
    10,694.42/14,758.39 = 5,914.11/x
  3. Step 3: Cross multiply
    10,694.42x = 14,758.39 × 5,914.11
  4. Step 4: Simplify right side
    10,694.42x = 87,282,804.62
  5. Step 5: Solve for x
    x = 87,282,804.62/10,694.42
  6. Step 6: Final answer
    x = 8,161.53

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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.