Home / 11,021.65-16,530.64-3,626.19

Finding the Fourth Proportional to 11,021.65, 16,530.64 and 3,626.19

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Solution

The fourth proportional to 11,021.65, 16,530.64 and 3,626.19 is: 5,438.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,021.65 : 16,530.64 = 3,626.19 : x
  2. Step 2: Convert to fraction form
    11,021.65/16,530.64 = 3,626.19/x
  3. Step 3: Cross multiply
    11,021.65x = 16,530.64 × 3,626.19
  4. Step 4: Simplify right side
    11,021.65x = 59,943,241.46
  5. Step 5: Solve for x
    x = 59,943,241.46/11,021.65
  6. Step 6: Final answer
    x = 5,438.68

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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.