Home / 11,224.97-16,831.95-6,415.85

Finding the Fourth Proportional to 11,224.97, 16,831.95 and 6,415.85

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Solution

The fourth proportional to 11,224.97, 16,831.95 and 6,415.85 is: 9,620.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,224.97 : 16,831.95 = 6,415.85 : x
  2. Step 2: Convert to fraction form
    11,224.97/16,831.95 = 6,415.85/x
  3. Step 3: Cross multiply
    11,224.97x = 16,831.95 × 6,415.85
  4. Step 4: Simplify right side
    11,224.97x = 107,991,266.41
  5. Step 5: Solve for x
    x = 107,991,266.41/11,224.97
  6. Step 6: Final answer
    x = 9,620.63

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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.