Home / 11,905.44-16,430.70-6,601.29

Finding the Fourth Proportional to 11,905.44, 16,430.70 and 6,601.29

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Solution

The fourth proportional to 11,905.44, 16,430.70 and 6,601.29 is: 9,110.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,905.44 : 16,430.70 = 6,601.29 : x
  2. Step 2: Convert to fraction form
    11,905.44/16,430.70 = 6,601.29/x
  3. Step 3: Cross multiply
    11,905.44x = 16,430.70 × 6,601.29
  4. Step 4: Simplify right side
    11,905.44x = 108,463,815.60
  5. Step 5: Solve for x
    x = 108,463,815.60/11,905.44
  6. Step 6: Final answer
    x = 9,110.44

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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.