Home / 7,968.85-11,953.27-2,422.18

Finding the Fourth Proportional to 7,968.85, 11,953.27 and 2,422.18

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Solution

The fourth proportional to 7,968.85, 11,953.27 and 2,422.18 is: 3,633.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,968.85 : 11,953.27 = 2,422.18 : x
  2. Step 2: Convert to fraction form
    7,968.85/11,953.27 = 2,422.18/x
  3. Step 3: Cross multiply
    7,968.85x = 11,953.27 × 2,422.18
  4. Step 4: Simplify right side
    7,968.85x = 28,952,971.53
  5. Step 5: Solve for x
    x = 28,952,971.53/7,968.85
  6. Step 6: Final answer
    x = 3,633.27

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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.