Home / 7,861.73-11,782.53-3,692.52

Finding the Fourth Proportional to 7,861.73, 11,782.53 and 3,692.52

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Solution

The fourth proportional to 7,861.73, 11,782.53 and 3,692.52 is: 5,534.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,861.73 : 11,782.53 = 3,692.52 : x
  2. Step 2: Convert to fraction form
    7,861.73/11,782.53 = 3,692.52/x
  3. Step 3: Cross multiply
    7,861.73x = 11,782.53 × 3,692.52
  4. Step 4: Simplify right side
    7,861.73x = 43,507,227.68
  5. Step 5: Solve for x
    x = 43,507,227.68/7,861.73
  6. Step 6: Final answer
    x = 5,534.06

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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.