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Finding the Fourth Proportional to 10,394.46, 14,344.48 and 5,918.21

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Solution

The fourth proportional to 10,394.46, 14,344.48 and 5,918.21 is: 8,167.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,394.46 : 14,344.48 = 5,918.21 : x
  2. Step 2: Convert to fraction form
    10,394.46/14,344.48 = 5,918.21/x
  3. Step 3: Cross multiply
    10,394.46x = 14,344.48 × 5,918.21
  4. Step 4: Simplify right side
    10,394.46x = 84,893,644.98
  5. Step 5: Solve for x
    x = 84,893,644.98/10,394.46
  6. Step 6: Final answer
    x = 8,167.20

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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.