Home / 11,478.24-17,217.36-3,692.52

Finding the Fourth Proportional to 11,478.24, 17,217.36 and 3,692.52

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Solution

The fourth proportional to 11,478.24, 17,217.36 and 3,692.52 is: 5,538.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,478.24 : 17,217.36 = 3,692.52 : x
  2. Step 2: Convert to fraction form
    11,478.24/17,217.36 = 3,692.52/x
  3. Step 3: Cross multiply
    11,478.24x = 17,217.36 × 3,692.52
  4. Step 4: Simplify right side
    11,478.24x = 63,575,446.15
  5. Step 5: Solve for x
    x = 63,575,446.15/11,478.24
  6. Step 6: Final answer
    x = 5,538.78

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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.