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Finding the Fourth Proportional to 11,314.58, 15,610.93 and 7,335.86

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Solution

The fourth proportional to 11,314.58, 15,610.93 and 7,335.86 is: 10,121.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,314.58 : 15,610.93 = 7,335.86 : x
  2. Step 2: Convert to fraction form
    11,314.58/15,610.93 = 7,335.86/x
  3. Step 3: Cross multiply
    11,314.58x = 15,610.93 × 7,335.86
  4. Step 4: Simplify right side
    11,314.58x = 114,519,596.95
  5. Step 5: Solve for x
    x = 114,519,596.95/11,314.58
  6. Step 6: Final answer
    x = 10,121.42

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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.