Home / 12,350.31-18,525.39-4,949.47

Finding the Fourth Proportional to 12,350.31, 18,525.39 and 4,949.47

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Solution

The fourth proportional to 12,350.31, 18,525.39 and 4,949.47 is: 7,424.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,350.31 : 18,525.39 = 4,949.47 : x
  2. Step 2: Convert to fraction form
    12,350.31/18,525.39 = 4,949.47/x
  3. Step 3: Cross multiply
    12,350.31x = 18,525.39 × 4,949.47
  4. Step 4: Simplify right side
    12,350.31x = 91,690,862.04
  5. Step 5: Solve for x
    x = 91,690,862.04/12,350.31
  6. Step 6: Final answer
    x = 7,424.17

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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.