Home / 12,344.53-18,516.76-4,136.53

Finding the Fourth Proportional to 12,344.53, 18,516.76 and 4,136.53

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Solution

The fourth proportional to 12,344.53, 18,516.76 and 4,136.53 is: 6,204.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,344.53 : 18,516.76 = 4,136.53 : x
  2. Step 2: Convert to fraction form
    12,344.53/18,516.76 = 4,136.53/x
  3. Step 3: Cross multiply
    12,344.53x = 18,516.76 × 4,136.53
  4. Step 4: Simplify right side
    12,344.53x = 76,595,133.24
  5. Step 5: Solve for x
    x = 76,595,133.24/12,344.53
  6. Step 6: Final answer
    x = 6,204.78

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1.5x scale

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.