Home / 8,786.73-12,125.52-4,807.83

Finding the Fourth Proportional to 8,786.73, 12,125.52 and 4,807.83

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Solution

The fourth proportional to 8,786.73, 12,125.52 and 4,807.83 is: 6,634.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,786.73 : 12,125.52 = 4,807.83 : x
  2. Step 2: Convert to fraction form
    8,786.73/12,125.52 = 4,807.83/x
  3. Step 3: Cross multiply
    8,786.73x = 12,125.52 × 4,807.83
  4. Step 4: Simplify right side
    8,786.73x = 58,297,438.82
  5. Step 5: Solve for x
    x = 58,297,438.82/8,786.73
  6. Step 6: Final answer
    x = 6,634.71

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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.