Home / 11,170.15-16,755.69-3,775.36

Finding the Fourth Proportional to 11,170.15, 16,755.69 and 3,775.36

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Solution

The fourth proportional to 11,170.15, 16,755.69 and 3,775.36 is: 5,663.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,170.15 : 16,755.69 = 3,775.36 : x
  2. Step 2: Convert to fraction form
    11,170.15/16,755.69 = 3,775.36/x
  3. Step 3: Cross multiply
    11,170.15x = 16,755.69 × 3,775.36
  4. Step 4: Simplify right side
    11,170.15x = 63,258,761.80
  5. Step 5: Solve for x
    x = 63,258,761.80/11,170.15
  6. Step 6: Final answer
    x = 5,663.20

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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.