Home / 7,632.20-11,451.36-3,249.56

Finding the Fourth Proportional to 7,632.20, 11,451.36 and 3,249.56

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Solution

The fourth proportional to 7,632.20, 11,451.36 and 3,249.56 is: 4,875.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,632.20 : 11,451.36 = 3,249.56 : x
  2. Step 2: Convert to fraction form
    7,632.20/11,451.36 = 3,249.56/x
  3. Step 3: Cross multiply
    7,632.20x = 11,451.36 × 3,249.56
  4. Step 4: Simplify right side
    7,632.20x = 37,211,881.40
  5. Step 5: Solve for x
    x = 37,211,881.40/7,632.20
  6. Step 6: Final answer
    x = 4,875.64

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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.