Home / 11,887.41-17,831.97-4,490.49

Finding the Fourth Proportional to 11,887.41, 17,831.97 and 4,490.49

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Solution

The fourth proportional to 11,887.41, 17,831.97 and 4,490.49 is: 6,736.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,887.41 : 17,831.97 = 4,490.49 : x
  2. Step 2: Convert to fraction form
    11,887.41/17,831.97 = 4,490.49/x
  3. Step 3: Cross multiply
    11,887.41x = 17,831.97 × 4,490.49
  4. Step 4: Simplify right side
    11,887.41x = 80,074,282.97
  5. Step 5: Solve for x
    x = 80,074,282.97/11,887.41
  6. Step 6: Final answer
    x = 6,736.06

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1.5x scale

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.