Home / 8,872.96-12,245.04-4,894.51

Finding the Fourth Proportional to 8,872.96, 12,245.04 and 4,894.51

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Solution

The fourth proportional to 8,872.96, 12,245.04 and 4,894.51 is: 6,754.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,872.96 : 12,245.04 = 4,894.51 : x
  2. Step 2: Convert to fraction form
    8,872.96/12,245.04 = 4,894.51/x
  3. Step 3: Cross multiply
    8,872.96x = 12,245.04 × 4,894.51
  4. Step 4: Simplify right side
    8,872.96x = 59,933,470.73
  5. Step 5: Solve for x
    x = 59,933,470.73/8,872.96
  6. Step 6: Final answer
    x = 6,754.62

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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.