Home / 7,423.56-11,136.57-2,743.58

Finding the Fourth Proportional to 7,423.56, 11,136.57 and 2,743.58

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Solution

The fourth proportional to 7,423.56, 11,136.57 and 2,743.58 is: 4,115.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,423.56 : 11,136.57 = 2,743.58 : x
  2. Step 2: Convert to fraction form
    7,423.56/11,136.57 = 2,743.58/x
  3. Step 3: Cross multiply
    7,423.56x = 11,136.57 × 2,743.58
  4. Step 4: Simplify right side
    7,423.56x = 30,554,015.04
  5. Step 5: Solve for x
    x = 30,554,015.04/7,423.56
  6. Step 6: Final answer
    x = 4,115.82

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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.