Home / 11,175.33-16,765.68-4,155.58

Finding the Fourth Proportional to 11,175.33, 16,765.68 and 4,155.58

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Solution

The fourth proportional to 11,175.33, 16,765.68 and 4,155.58 is: 6,234.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,175.33 : 16,765.68 = 4,155.58 : x
  2. Step 2: Convert to fraction form
    11,175.33/16,765.68 = 4,155.58/x
  3. Step 3: Cross multiply
    11,175.33x = 16,765.68 × 4,155.58
  4. Step 4: Simplify right side
    11,175.33x = 69,671,040.67
  5. Step 5: Solve for x
    x = 69,671,040.67/11,175.33
  6. Step 6: Final answer
    x = 6,234.36

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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.