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Finding the Fourth Proportional to 12,494.14, 17,241.90 and 6,905.14

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Solution

The fourth proportional to 12,494.14, 17,241.90 and 6,905.14 is: 9,529.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,494.14 : 17,241.90 = 6,905.14 : x
  2. Step 2: Convert to fraction form
    12,494.14/17,241.90 = 6,905.14/x
  3. Step 3: Cross multiply
    12,494.14x = 17,241.90 × 6,905.14
  4. Step 4: Simplify right side
    12,494.14x = 119,057,733.37
  5. Step 5: Solve for x
    x = 119,057,733.37/12,494.14
  6. Step 6: Final answer
    x = 9,529.09

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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.