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Finding the Fourth Proportional to 10,894.72, 15,016.44 and 8,341.60

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Solution

The fourth proportional to 10,894.72, 15,016.44 and 8,341.60 is: 11,497.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,894.72 : 15,016.44 = 8,341.60 : x
  2. Step 2: Convert to fraction form
    10,894.72/15,016.44 = 8,341.60/x
  3. Step 3: Cross multiply
    10,894.72x = 15,016.44 × 8,341.60
  4. Step 4: Simplify right side
    10,894.72x = 125,261,135.90
  5. Step 5: Solve for x
    x = 125,261,135.90/10,894.72
  6. Step 6: Final answer
    x = 11,497.42

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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.