Home / 7,633.71-11,449.96-5,422.07

Finding the Fourth Proportional to 7,633.71, 11,449.96 and 5,422.07

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Solution

The fourth proportional to 7,633.71, 11,449.96 and 5,422.07 is: 8,132.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,633.71 : 11,449.96 = 5,422.07 : x
  2. Step 2: Convert to fraction form
    7,633.71/11,449.96 = 5,422.07/x
  3. Step 3: Cross multiply
    7,633.71x = 11,449.96 × 5,422.07
  4. Step 4: Simplify right side
    7,633.71x = 62,082,499.69
  5. Step 5: Solve for x
    x = 62,082,499.69/7,633.71
  6. Step 6: Final answer
    x = 8,132.68

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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.