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Finding the Fourth Proportional to 11,274.57, 15,564.08 and 8,046.86

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Solution

The fourth proportional to 11,274.57, 15,564.08 and 8,046.86 is: 11,108.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,274.57 : 15,564.08 = 8,046.86 : x
  2. Step 2: Convert to fraction form
    11,274.57/15,564.08 = 8,046.86/x
  3. Step 3: Cross multiply
    11,274.57x = 15,564.08 × 8,046.86
  4. Step 4: Simplify right side
    11,274.57x = 125,241,854.73
  5. Step 5: Solve for x
    x = 125,241,854.73/11,274.57
  6. Step 6: Final answer
    x = 11,108.35

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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.