Home / 11,670.40-16,110.60-7,481.04

Finding the Fourth Proportional to 11,670.40, 16,110.60 and 7,481.04

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Solution

The fourth proportional to 11,670.40, 16,110.60 and 7,481.04 is: 10,327.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,670.40 : 16,110.60 = 7,481.04 : x
  2. Step 2: Convert to fraction form
    11,670.40/16,110.60 = 7,481.04/x
  3. Step 3: Cross multiply
    11,670.40x = 16,110.60 × 7,481.04
  4. Step 4: Simplify right side
    11,670.40x = 120,524,043.02
  5. Step 5: Solve for x
    x = 120,524,043.02/11,670.40
  6. Step 6: Final answer
    x = 10,327.33

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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.