Home / 10,408.38-14,363.26-5,692.56

Finding the Fourth Proportional to 10,408.38, 14,363.26 and 5,692.56

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Solution

The fourth proportional to 10,408.38, 14,363.26 and 5,692.56 is: 7,855.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,408.38 : 14,363.26 = 5,692.56 : x
  2. Step 2: Convert to fraction form
    10,408.38/14,363.26 = 5,692.56/x
  3. Step 3: Cross multiply
    10,408.38x = 14,363.26 × 5,692.56
  4. Step 4: Simplify right side
    10,408.38x = 81,763,719.35
  5. Step 5: Solve for x
    x = 81,763,719.35/10,408.38
  6. Step 6: Final answer
    x = 7,855.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.