Home / 7,735.82-11,607.30-3,840.12

Finding the Fourth Proportional to 7,735.82, 11,607.30 and 3,840.12

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Solution

The fourth proportional to 7,735.82, 11,607.30 and 3,840.12 is: 5,761.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,735.82 : 11,607.30 = 3,840.12 : x
  2. Step 2: Convert to fraction form
    7,735.82/11,607.30 = 3,840.12/x
  3. Step 3: Cross multiply
    7,735.82x = 11,607.30 × 3,840.12
  4. Step 4: Simplify right side
    7,735.82x = 44,573,424.88
  5. Step 5: Solve for x
    x = 44,573,424.88/7,735.82
  6. Step 6: Final answer
    x = 5,761.96

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1.5x scale

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.