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Finding the Fourth Proportional to 8,894.01, 12,274.96 and 5,117.11

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Solution

The fourth proportional to 8,894.01, 12,274.96 and 5,117.11 is: 7,062.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,894.01 : 12,274.96 = 5,117.11 : x
  2. Step 2: Convert to fraction form
    8,894.01/12,274.96 = 5,117.11/x
  3. Step 3: Cross multiply
    8,894.01x = 12,274.96 × 5,117.11
  4. Step 4: Simplify right side
    8,894.01x = 62,812,286.68
  5. Step 5: Solve for x
    x = 62,812,286.68/8,894.01
  6. Step 6: Final answer
    x = 7,062.31

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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.