Home / 12,464.82-18,697.23-3,699.81

Finding the Fourth Proportional to 12,464.82, 18,697.23 and 3,699.81

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Solution

The fourth proportional to 12,464.82, 18,697.23 and 3,699.81 is: 5,549.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,464.82 : 18,697.23 = 3,699.81 : x
  2. Step 2: Convert to fraction form
    12,464.82/18,697.23 = 3,699.81/x
  3. Step 3: Cross multiply
    12,464.82x = 18,697.23 × 3,699.81
  4. Step 4: Simplify right side
    12,464.82x = 69,176,198.53
  5. Step 5: Solve for x
    x = 69,176,198.53/12,464.82
  6. Step 6: Final answer
    x = 5,549.72

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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.