Home / 8,831.62-13,247.43-2,985.04

Finding the Fourth Proportional to 8,831.62, 13,247.43 and 2,985.04

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Solution

The fourth proportional to 8,831.62, 13,247.43 and 2,985.04 is: 4,477.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,831.62 : 13,247.43 = 2,985.04 : x
  2. Step 2: Convert to fraction form
    8,831.62/13,247.43 = 2,985.04/x
  3. Step 3: Cross multiply
    8,831.62x = 13,247.43 × 2,985.04
  4. Step 4: Simplify right side
    8,831.62x = 39,544,108.45
  5. Step 5: Solve for x
    x = 39,544,108.45/8,831.62
  6. Step 6: Final answer
    x = 4,477.56

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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.