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Finding the Fourth Proportional to 9,894.05, 13,663.04 and 6,363.39

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Solution

The fourth proportional to 9,894.05, 13,663.04 and 6,363.39 is: 8,787.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,894.05 : 13,663.04 = 6,363.39 : x
  2. Step 2: Convert to fraction form
    9,894.05/13,663.04 = 6,363.39/x
  3. Step 3: Cross multiply
    9,894.05x = 13,663.04 × 6,363.39
  4. Step 4: Simplify right side
    9,894.05x = 86,943,252.11
  5. Step 5: Solve for x
    x = 86,943,252.11/9,894.05
  6. Step 6: Final answer
    x = 8,787.43

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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.