Home / 7,476.20-11,209.44-3,582.80

Finding the Fourth Proportional to 7,476.20, 11,209.44 and 3,582.80

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Solution

The fourth proportional to 7,476.20, 11,209.44 and 3,582.80 is: 5,371.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,476.20 : 11,209.44 = 3,582.80 : x
  2. Step 2: Convert to fraction form
    7,476.20/11,209.44 = 3,582.80/x
  3. Step 3: Cross multiply
    7,476.20x = 11,209.44 × 3,582.80
  4. Step 4: Simplify right side
    7,476.20x = 40,161,181.63
  5. Step 5: Solve for x
    x = 40,161,181.63/7,476.20
  6. Step 6: Final answer
    x = 5,371.87

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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.