Home / 7,491.42-11,230.16-3,329.24

Finding the Fourth Proportional to 7,491.42, 11,230.16 and 3,329.24

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Solution

The fourth proportional to 7,491.42, 11,230.16 and 3,329.24 is: 4,990.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,491.42 : 11,230.16 = 3,329.24 : x
  2. Step 2: Convert to fraction form
    7,491.42/11,230.16 = 3,329.24/x
  3. Step 3: Cross multiply
    7,491.42x = 11,230.16 × 3,329.24
  4. Step 4: Simplify right side
    7,491.42x = 37,387,897.88
  5. Step 5: Solve for x
    x = 37,387,897.88/7,491.42
  6. Step 6: Final answer
    x = 4,990.76

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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.