Home / 7,423.73-11,136.81-3,526.82

Finding the Fourth Proportional to 7,423.73, 11,136.81 and 3,526.82

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Solution

The fourth proportional to 7,423.73, 11,136.81 and 3,526.82 is: 5,290.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,423.73 : 11,136.81 = 3,526.82 : x
  2. Step 2: Convert to fraction form
    7,423.73/11,136.81 = 3,526.82/x
  3. Step 3: Cross multiply
    7,423.73x = 11,136.81 × 3,526.82
  4. Step 4: Simplify right side
    7,423.73x = 39,277,524.24
  5. Step 5: Solve for x
    x = 39,277,524.24/7,423.73
  6. Step 6: Final answer
    x = 5,290.81

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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.