Home / 7,969.19-11,953.37-2,422.41

Finding the Fourth Proportional to 7,969.19, 11,953.37 and 2,422.41

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Solution

The fourth proportional to 7,969.19, 11,953.37 and 2,422.41 is: 3,633.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,969.19 : 11,953.37 = 2,422.41 : x
  2. Step 2: Convert to fraction form
    7,969.19/11,953.37 = 2,422.41/x
  3. Step 3: Cross multiply
    7,969.19x = 11,953.37 × 2,422.41
  4. Step 4: Simplify right side
    7,969.19x = 28,955,924.25
  5. Step 5: Solve for x
    x = 28,955,924.25/7,969.19
  6. Step 6: Final answer
    x = 3,633.49

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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.