Home / 7,471.44-11,212.56-3,578.04

Finding the Fourth Proportional to 7,471.44, 11,212.56 and 3,578.04

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Solution

The fourth proportional to 7,471.44, 11,212.56 and 3,578.04 is: 5,369.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,471.44 : 11,212.56 = 3,578.04 : x
  2. Step 2: Convert to fraction form
    7,471.44/11,212.56 = 3,578.04/x
  3. Step 3: Cross multiply
    7,471.44x = 11,212.56 × 3,578.04
  4. Step 4: Simplify right side
    7,471.44x = 40,118,988.18
  5. Step 5: Solve for x
    x = 40,118,988.18/7,471.44
  6. Step 6: Final answer
    x = 5,369.65

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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.