Home / 11,180.64-16,770.79-2,860.59

Finding the Fourth Proportional to 11,180.64, 16,770.79 and 2,860.59

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Solution

The fourth proportional to 11,180.64, 16,770.79 and 2,860.59 is: 4,290.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,180.64 : 16,770.79 = 2,860.59 : x
  2. Step 2: Convert to fraction form
    11,180.64/16,770.79 = 2,860.59/x
  3. Step 3: Cross multiply
    11,180.64x = 16,770.79 × 2,860.59
  4. Step 4: Simplify right side
    11,180.64x = 47,974,256.01
  5. Step 5: Solve for x
    x = 47,974,256.01/11,180.64
  6. Step 6: Final answer
    x = 4,290.83

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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.