Home / 11,613.54-17,422.47-3,822.90

Finding the Fourth Proportional to 11,613.54, 17,422.47 and 3,822.90

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Solution

The fourth proportional to 11,613.54, 17,422.47 and 3,822.90 is: 5,735.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,613.54 : 17,422.47 = 3,822.90 : x
  2. Step 2: Convert to fraction form
    11,613.54/17,422.47 = 3,822.90/x
  3. Step 3: Cross multiply
    11,613.54x = 17,422.47 × 3,822.90
  4. Step 4: Simplify right side
    11,613.54x = 66,604,360.56
  5. Step 5: Solve for x
    x = 66,604,360.56/11,613.54
  6. Step 6: Final answer
    x = 5,735.06

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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.