Home / 8,831.12-13,249.31-3,563.42

Finding the Fourth Proportional to 8,831.12, 13,249.31 and 3,563.42

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Solution

The fourth proportional to 8,831.12, 13,249.31 and 3,563.42 is: 5,346.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,831.12 : 13,249.31 = 3,563.42 : x
  2. Step 2: Convert to fraction form
    8,831.12/13,249.31 = 3,563.42/x
  3. Step 3: Cross multiply
    8,831.12x = 13,249.31 × 3,563.42
  4. Step 4: Simplify right side
    8,831.12x = 47,212,772.18
  5. Step 5: Solve for x
    x = 47,212,772.18/8,831.12
  6. Step 6: Final answer
    x = 5,346.18

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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.