Home / 12,847.46-19,234.75-8,410.30

Finding the Fourth Proportional to 12,847.46, 19,234.75 and 8,410.30

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Solution

The fourth proportional to 12,847.46, 19,234.75 and 8,410.30 is: 12,591.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,847.46 : 19,234.75 = 8,410.30 : x
  2. Step 2: Convert to fraction form
    12,847.46/19,234.75 = 8,410.30/x
  3. Step 3: Cross multiply
    12,847.46x = 19,234.75 × 8,410.30
  4. Step 4: Simplify right side
    12,847.46x = 161,770,017.93
  5. Step 5: Solve for x
    x = 161,770,017.93/12,847.46
  6. Step 6: Final answer
    x = 12,591.60

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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.