Home / 12,199.08-16,831.92-7,163.04

Finding the Fourth Proportional to 12,199.08, 16,831.92 and 7,163.04

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Solution

The fourth proportional to 12,199.08, 16,831.92 and 7,163.04 is: 9,883.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,199.08 : 16,831.92 = 7,163.04 : x
  2. Step 2: Convert to fraction form
    12,199.08/16,831.92 = 7,163.04/x
  3. Step 3: Cross multiply
    12,199.08x = 16,831.92 × 7,163.04
  4. Step 4: Simplify right side
    12,199.08x = 120,567,716.24
  5. Step 5: Solve for x
    x = 120,567,716.24/12,199.08
  6. Step 6: Final answer
    x = 9,883.34

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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.