Home / 12,351.48-18,530.07-3,586.11

Finding the Fourth Proportional to 12,351.48, 18,530.07 and 3,586.11

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Solution

The fourth proportional to 12,351.48, 18,530.07 and 3,586.11 is: 5,379.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,351.48 : 18,530.07 = 3,586.11 : x
  2. Step 2: Convert to fraction form
    12,351.48/18,530.07 = 3,586.11/x
  3. Step 3: Cross multiply
    12,351.48x = 18,530.07 × 3,586.11
  4. Step 4: Simplify right side
    12,351.48x = 66,450,869.33
  5. Step 5: Solve for x
    x = 66,450,869.33/12,351.48
  6. Step 6: Final answer
    x = 5,379.99

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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.