Home / 11,261.22-15,540.98-7,014.80

Finding the Fourth Proportional to 11,261.22, 15,540.98 and 7,014.80

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Solution

The fourth proportional to 11,261.22, 15,540.98 and 7,014.80 is: 9,680.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,261.22 : 15,540.98 = 7,014.80 : x
  2. Step 2: Convert to fraction form
    11,261.22/15,540.98 = 7,014.80/x
  3. Step 3: Cross multiply
    11,261.22x = 15,540.98 × 7,014.80
  4. Step 4: Simplify right side
    11,261.22x = 109,016,866.50
  5. Step 5: Solve for x
    x = 109,016,866.50/11,261.22
  6. Step 6: Final answer
    x = 9,680.73

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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.