Home / 10,136.63-15,198.16-4,211.97

Finding the Fourth Proportional to 10,136.63, 15,198.16 and 4,211.97

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Solution

The fourth proportional to 10,136.63, 15,198.16 and 4,211.97 is: 6,315.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,136.63 : 15,198.16 = 4,211.97 : x
  2. Step 2: Convert to fraction form
    10,136.63/15,198.16 = 4,211.97/x
  3. Step 3: Cross multiply
    10,136.63x = 15,198.16 × 4,211.97
  4. Step 4: Simplify right side
    10,136.63x = 64,014,193.98
  5. Step 5: Solve for x
    x = 64,014,193.98/10,136.63
  6. Step 6: Final answer
    x = 6,315.14

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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.