Home / 12,374.37-18,562.19-3,609.95

Finding the Fourth Proportional to 12,374.37, 18,562.19 and 3,609.95

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Solution

The fourth proportional to 12,374.37, 18,562.19 and 3,609.95 is: 5,415.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,374.37 : 18,562.19 = 3,609.95 : x
  2. Step 2: Convert to fraction form
    12,374.37/18,562.19 = 3,609.95/x
  3. Step 3: Cross multiply
    12,374.37x = 18,562.19 × 3,609.95
  4. Step 4: Simplify right side
    12,374.37x = 67,008,466.93
  5. Step 5: Solve for x
    x = 67,008,466.93/12,374.37
  6. Step 6: Final answer
    x = 5,415.10

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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.