Home / 12,097.20-18,137.22-4,695.42

Finding the Fourth Proportional to 12,097.20, 18,137.22 and 4,695.42

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Solution

The fourth proportional to 12,097.20, 18,137.22 and 4,695.42 is: 7,039.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,097.20 : 18,137.22 = 4,695.42 : x
  2. Step 2: Convert to fraction form
    12,097.20/18,137.22 = 4,695.42/x
  3. Step 3: Cross multiply
    12,097.20x = 18,137.22 × 4,695.42
  4. Step 4: Simplify right side
    12,097.20x = 85,161,865.53
  5. Step 5: Solve for x
    x = 85,161,865.53/12,097.20
  6. Step 6: Final answer
    x = 7,039.80

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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.