Home / 7,618.12-11,425.20-3,233.32

Finding the Fourth Proportional to 7,618.12, 11,425.20 and 3,233.32

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Solution

The fourth proportional to 7,618.12, 11,425.20 and 3,233.32 is: 4,849.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,618.12 : 11,425.20 = 3,233.32 : x
  2. Step 2: Convert to fraction form
    7,618.12/11,425.20 = 3,233.32/x
  3. Step 3: Cross multiply
    7,618.12x = 11,425.20 × 3,233.32
  4. Step 4: Simplify right side
    7,618.12x = 36,941,327.66
  5. Step 5: Solve for x
    x = 36,941,327.66/7,618.12
  6. Step 6: Final answer
    x = 4,849.14

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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.