Home / 7,968.90-11,955.96-2,422.48

Finding the Fourth Proportional to 7,968.90, 11,955.96 and 2,422.48

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Solution

The fourth proportional to 7,968.90, 11,955.96 and 2,422.48 is: 3,634.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,968.90 : 11,955.96 = 2,422.48 : x
  2. Step 2: Convert to fraction form
    7,968.90/11,955.96 = 2,422.48/x
  3. Step 3: Cross multiply
    7,968.90x = 11,955.96 × 2,422.48
  4. Step 4: Simplify right side
    7,968.90x = 28,963,073.98
  5. Step 5: Solve for x
    x = 28,963,073.98/7,968.90
  6. Step 6: Final answer
    x = 3,634.51

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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.