Home / 11,480.76-15,843.60-7,003.44

Finding the Fourth Proportional to 11,480.76, 15,843.60 and 7,003.44

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Solution

The fourth proportional to 11,480.76, 15,843.60 and 7,003.44 is: 9,664.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,480.76 : 15,843.60 = 7,003.44 : x
  2. Step 2: Convert to fraction form
    11,480.76/15,843.60 = 7,003.44/x
  3. Step 3: Cross multiply
    11,480.76x = 15,843.60 × 7,003.44
  4. Step 4: Simplify right side
    11,480.76x = 110,959,701.98
  5. Step 5: Solve for x
    x = 110,959,701.98/11,480.76
  6. Step 6: Final answer
    x = 9,664.84

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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.