Home / 11,449.56-15,801.66-6,414.60

Finding the Fourth Proportional to 11,449.56, 15,801.66 and 6,414.60

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Solution

The fourth proportional to 11,449.56, 15,801.66 and 6,414.60 is: 8,852.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,449.56 : 15,801.66 = 6,414.60 : x
  2. Step 2: Convert to fraction form
    11,449.56/15,801.66 = 6,414.60/x
  3. Step 3: Cross multiply
    11,449.56x = 15,801.66 × 6,414.60
  4. Step 4: Simplify right side
    11,449.56x = 101,361,328.24
  5. Step 5: Solve for x
    x = 101,361,328.24/11,449.56
  6. Step 6: Final answer
    x = 8,852.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.