Home / 9,933.73-13,704.62-6,399

Finding the Fourth Proportional to 9,933.73, 13,704.62 and 6,399

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Solution

The fourth proportional to 9,933.73, 13,704.62 and 6,399 is: 8,828.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,933.73 : 13,704.62 = 6,399 : x
  2. Step 2: Convert to fraction form
    9,933.73/13,704.62 = 6,399/x
  3. Step 3: Cross multiply
    9,933.73x = 13,704.62 × 6,399
  4. Step 4: Simplify right side
    9,933.73x = 87,695,831.39
  5. Step 5: Solve for x
    x = 87,695,831.39/9,933.73
  6. Step 6: Final answer
    x = 8,828.09

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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.