Home / 9,128.33-13,692.61-3,204.98

Finding the Fourth Proportional to 9,128.33, 13,692.61 and 3,204.98

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Solution

The fourth proportional to 9,128.33, 13,692.61 and 3,204.98 is: 4,807.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,128.33 : 13,692.61 = 3,204.98 : x
  2. Step 2: Convert to fraction form
    9,128.33/13,692.61 = 3,204.98/x
  3. Step 3: Cross multiply
    9,128.33x = 13,692.61 × 3,204.98
  4. Step 4: Simplify right side
    9,128.33x = 43,884,472.73
  5. Step 5: Solve for x
    x = 43,884,472.73/9,128.33
  6. Step 6: Final answer
    x = 4,807.51

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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.