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Finding the Fourth Proportional to 11,371, 15,692.52 and 6,654.37

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Solution

The fourth proportional to 11,371, 15,692.52 and 6,654.37 is: 9,183.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,371 : 15,692.52 = 6,654.37 : x
  2. Step 2: Convert to fraction form
    11,371/15,692.52 = 6,654.37/x
  3. Step 3: Cross multiply
    11,371x = 15,692.52 × 6,654.37
  4. Step 4: Simplify right side
    11,371x = 104,423,834.31
  5. Step 5: Solve for x
    x = 104,423,834.31/11,371
  6. Step 6: Final answer
    x = 9,183.35

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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.