Home / 11,755.36-16,222.35-6,377.80

Finding the Fourth Proportional to 11,755.36, 16,222.35 and 6,377.80

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Solution

The fourth proportional to 11,755.36, 16,222.35 and 6,377.80 is: 8,801.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,755.36 : 16,222.35 = 6,377.80 : x
  2. Step 2: Convert to fraction form
    11,755.36/16,222.35 = 6,377.80/x
  3. Step 3: Cross multiply
    11,755.36x = 16,222.35 × 6,377.80
  4. Step 4: Simplify right side
    11,755.36x = 103,462,863.27
  5. Step 5: Solve for x
    x = 103,462,863.27/11,755.36
  6. Step 6: Final answer
    x = 8,801.33

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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.