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Finding the Fourth Proportional to 8,335.81, 12,497.19 and 4,173.73

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Solution

The fourth proportional to 8,335.81, 12,497.19 and 4,173.73 is: 6,257.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,335.81 : 12,497.19 = 4,173.73 : x
  2. Step 2: Convert to fraction form
    8,335.81/12,497.19 = 4,173.73/x
  3. Step 3: Cross multiply
    8,335.81x = 12,497.19 × 4,173.73
  4. Step 4: Simplify right side
    8,335.81x = 52,159,849.92
  5. Step 5: Solve for x
    x = 52,159,849.92/8,335.81
  6. Step 6: Final answer
    x = 6,257.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.