Home / 11,180.39-16,770.65-3,784.88

Finding the Fourth Proportional to 11,180.39, 16,770.65 and 3,784.88

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Solution

The fourth proportional to 11,180.39, 16,770.65 and 3,784.88 is: 5,677.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,180.39 : 16,770.65 = 3,784.88 : x
  2. Step 2: Convert to fraction form
    11,180.39/16,770.65 = 3,784.88/x
  3. Step 3: Cross multiply
    11,180.39x = 16,770.65 × 3,784.88
  4. Step 4: Simplify right side
    11,180.39x = 63,474,920.77
  5. Step 5: Solve for x
    x = 63,474,920.77/11,180.39
  6. Step 6: Final answer
    x = 5,677.35

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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.