Home / 7,969.11-11,953.64-2,422.43

Finding the Fourth Proportional to 7,969.11, 11,953.64 and 2,422.43

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Solution

The fourth proportional to 7,969.11, 11,953.64 and 2,422.43 is: 3,633.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,969.11 : 11,953.64 = 2,422.43 : x
  2. Step 2: Convert to fraction form
    7,969.11/11,953.64 = 2,422.43/x
  3. Step 3: Cross multiply
    7,969.11x = 11,953.64 × 2,422.43
  4. Step 4: Simplify right side
    7,969.11x = 28,956,856.15
  5. Step 5: Solve for x
    x = 28,956,856.15/7,969.11
  6. Step 6: Final answer
    x = 3,633.64

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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.