Home / 7,926.80-11,892.08-2,732.56

Finding the Fourth Proportional to 7,926.80, 11,892.08 and 2,732.56

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Solution

The fourth proportional to 7,926.80, 11,892.08 and 2,732.56 is: 4,099.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,926.80 : 11,892.08 = 2,732.56 : x
  2. Step 2: Convert to fraction form
    7,926.80/11,892.08 = 2,732.56/x
  3. Step 3: Cross multiply
    7,926.80x = 11,892.08 × 2,732.56
  4. Step 4: Simplify right side
    7,926.80x = 32,495,822.12
  5. Step 5: Solve for x
    x = 32,495,822.12/7,926.80
  6. Step 6: Final answer
    x = 4,099.49

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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.