Home / 12,360.25-18,542.70-4,965.29

Finding the Fourth Proportional to 12,360.25, 18,542.70 and 4,965.29

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Solution

The fourth proportional to 12,360.25, 18,542.70 and 4,965.29 is: 7,448.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,360.25 : 18,542.70 = 4,965.29 : x
  2. Step 2: Convert to fraction form
    12,360.25/18,542.70 = 4,965.29/x
  3. Step 3: Cross multiply
    12,360.25x = 18,542.70 × 4,965.29
  4. Step 4: Simplify right side
    12,360.25x = 92,069,882.88
  5. Step 5: Solve for x
    x = 92,069,882.88/12,360.25
  6. Step 6: Final answer
    x = 7,448.87

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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.