Home / 10,692.45-14,755.42-6,217.81

Finding the Fourth Proportional to 10,692.45, 14,755.42 and 6,217.81

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Solution

The fourth proportional to 10,692.45, 14,755.42 and 6,217.81 is: 8,580.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,692.45 : 14,755.42 = 6,217.81 : x
  2. Step 2: Convert to fraction form
    10,692.45/14,755.42 = 6,217.81/x
  3. Step 3: Cross multiply
    10,692.45x = 14,755.42 × 6,217.81
  4. Step 4: Simplify right side
    10,692.45x = 91,746,398.03
  5. Step 5: Solve for x
    x = 91,746,398.03/10,692.45
  6. Step 6: Final answer
    x = 8,580.48

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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.