Home / 10,266.20-15,399.30-3,692.60

Finding the Fourth Proportional to 10,266.20, 15,399.30 and 3,692.60

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Solution

The fourth proportional to 10,266.20, 15,399.30 and 3,692.60 is: 5,538.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,266.20 : 15,399.30 = 3,692.60 : x
  2. Step 2: Convert to fraction form
    10,266.20/15,399.30 = 3,692.60/x
  3. Step 3: Cross multiply
    10,266.20x = 15,399.30 × 3,692.60
  4. Step 4: Simplify right side
    10,266.20x = 56,863,455.18
  5. Step 5: Solve for x
    x = 56,863,455.18/10,266.20
  6. Step 6: Final answer
    x = 5,538.90

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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.