Home / 11,423.13-17,136.85-5,183.63

Finding the Fourth Proportional to 11,423.13, 17,136.85 and 5,183.63

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Solution

The fourth proportional to 11,423.13, 17,136.85 and 5,183.63 is: 7,776.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,423.13 : 17,136.85 = 5,183.63 : x
  2. Step 2: Convert to fraction form
    11,423.13/17,136.85 = 5,183.63/x
  3. Step 3: Cross multiply
    11,423.13x = 17,136.85 × 5,183.63
  4. Step 4: Simplify right side
    11,423.13x = 88,831,089.77
  5. Step 5: Solve for x
    x = 88,831,089.77/11,423.13
  6. Step 6: Final answer
    x = 7,776.42

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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.