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Finding the Fourth Proportional to 9,355.17, 13,964.31 and 8,248.05

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Solution

The fourth proportional to 9,355.17, 13,964.31 and 8,248.05 is: 12,311.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,355.17 : 13,964.31 = 8,248.05 : x
  2. Step 2: Convert to fraction form
    9,355.17/13,964.31 = 8,248.05/x
  3. Step 3: Cross multiply
    9,355.17x = 13,964.31 × 8,248.05
  4. Step 4: Simplify right side
    9,355.17x = 115,178,327.10
  5. Step 5: Solve for x
    x = 115,178,327.10/9,355.17
  6. Step 6: Final answer
    x = 12,311.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.