Home / 7,206.20-9,949.10-5,524.47

Finding the Fourth Proportional to 7,206.20, 9,949.10 and 5,524.47

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Solution

The fourth proportional to 7,206.20, 9,949.10 and 5,524.47 is: 7,627.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,206.20 : 9,949.10 = 5,524.47 : x
  2. Step 2: Convert to fraction form
    7,206.20/9,949.10 = 5,524.47/x
  3. Step 3: Cross multiply
    7,206.20x = 9,949.10 × 5,524.47
  4. Step 4: Simplify right side
    7,206.20x = 54,963,476.85
  5. Step 5: Solve for x
    x = 54,963,476.85/7,206.20
  6. Step 6: Final answer
    x = 7,627.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.