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Finding the Fourth Proportional to 9,994.59, 13,787.01 and 6,218.37

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Solution

The fourth proportional to 9,994.59, 13,787.01 and 6,218.37 is: 8,577.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,994.59 : 13,787.01 = 6,218.37 : x
  2. Step 2: Convert to fraction form
    9,994.59/13,787.01 = 6,218.37/x
  3. Step 3: Cross multiply
    9,994.59x = 13,787.01 × 6,218.37
  4. Step 4: Simplify right side
    9,994.59x = 85,732,729.37
  5. Step 5: Solve for x
    x = 85,732,729.37/9,994.59
  6. Step 6: Final answer
    x = 8,577.91

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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.