Home / 10,408.28-14,363.73-5,692.88

Finding the Fourth Proportional to 10,408.28, 14,363.73 and 5,692.88

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Solution

The fourth proportional to 10,408.28, 14,363.73 and 5,692.88 is: 7,856.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,408.28 : 14,363.73 = 5,692.88 : x
  2. Step 2: Convert to fraction form
    10,408.28/14,363.73 = 5,692.88/x
  3. Step 3: Cross multiply
    10,408.28x = 14,363.73 × 5,692.88
  4. Step 4: Simplify right side
    10,408.28x = 81,770,991.24
  5. Step 5: Solve for x
    x = 81,770,991.24/10,408.28
  6. Step 6: Final answer
    x = 7,856.34

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1.5x scale

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.