Home / 10,408.10-14,363.18-5,692.38

Finding the Fourth Proportional to 10,408.10, 14,363.18 and 5,692.38

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Solution

The fourth proportional to 10,408.10, 14,363.18 and 5,692.38 is: 7,855.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,408.10 : 14,363.18 = 5,692.38 : x
  2. Step 2: Convert to fraction form
    10,408.10/14,363.18 = 5,692.38/x
  3. Step 3: Cross multiply
    10,408.10x = 14,363.18 × 5,692.38
  4. Step 4: Simplify right side
    10,408.10x = 81,760,678.57
  5. Step 5: Solve for x
    x = 81,760,678.57/10,408.10
  6. Step 6: Final answer
    x = 7,855.49

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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.