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Finding the Fourth Proportional to 11,616, 16,029 and 6,901.44

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Solution

The fourth proportional to 11,616, 16,029 and 6,901.44 is: 9,523.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,616 : 16,029 = 6,901.44 : x
  2. Step 2: Convert to fraction form
    11,616/16,029 = 6,901.44/x
  3. Step 3: Cross multiply
    11,616x = 16,029 × 6,901.44
  4. Step 4: Simplify right side
    11,616x = 110,623,181.76
  5. Step 5: Solve for x
    x = 110,623,181.76/11,616
  6. Step 6: Final answer
    x = 9,523.35

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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.