Home / 12,359.25-18,541.20-4,964.29

Finding the Fourth Proportional to 12,359.25, 18,541.20 and 4,964.29

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Solution

The fourth proportional to 12,359.25, 18,541.20 and 4,964.29 is: 7,447.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,359.25 : 18,541.20 = 4,964.29 : x
  2. Step 2: Convert to fraction form
    12,359.25/18,541.20 = 4,964.29/x
  3. Step 3: Cross multiply
    12,359.25x = 18,541.20 × 4,964.29
  4. Step 4: Simplify right side
    12,359.25x = 92,043,866.01
  5. Step 5: Solve for x
    x = 92,043,866.01/12,359.25
  6. Step 6: Final answer
    x = 7,447.37

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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.