Home / 8,553.24-12,831.51-3,873.36

Finding the Fourth Proportional to 8,553.24, 12,831.51 and 3,873.36

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Solution

The fourth proportional to 8,553.24, 12,831.51 and 3,873.36 is: 5,810.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,553.24 : 12,831.51 = 3,873.36 : x
  2. Step 2: Convert to fraction form
    8,553.24/12,831.51 = 3,873.36/x
  3. Step 3: Cross multiply
    8,553.24x = 12,831.51 × 3,873.36
  4. Step 4: Simplify right side
    8,553.24x = 49,701,057.57
  5. Step 5: Solve for x
    x = 49,701,057.57/8,553.24
  6. Step 6: Final answer
    x = 5,810.79

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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.