Home / 11,191.52-16,785.38-3,692.76

Finding the Fourth Proportional to 11,191.52, 16,785.38 and 3,692.76

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Solution

The fourth proportional to 11,191.52, 16,785.38 and 3,692.76 is: 5,538.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,191.52 : 16,785.38 = 3,692.76 : x
  2. Step 2: Convert to fraction form
    11,191.52/16,785.38 = 3,692.76/x
  3. Step 3: Cross multiply
    11,191.52x = 16,785.38 × 3,692.76
  4. Step 4: Simplify right side
    11,191.52x = 61,984,446.99
  5. Step 5: Solve for x
    x = 61,984,446.99/11,191.52
  6. Step 6: Final answer
    x = 5,538.52

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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.