Home / 11,054.15-16,559.01-5,490.66

Finding the Fourth Proportional to 11,054.15, 16,559.01 and 5,490.66

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Solution

The fourth proportional to 11,054.15, 16,559.01 and 5,490.66 is: 8,224.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,054.15 : 16,559.01 = 5,490.66 : x
  2. Step 2: Convert to fraction form
    11,054.15/16,559.01 = 5,490.66/x
  3. Step 3: Cross multiply
    11,054.15x = 16,559.01 × 5,490.66
  4. Step 4: Simplify right side
    11,054.15x = 90,919,893.85
  5. Step 5: Solve for x
    x = 90,919,893.85/11,054.15
  6. Step 6: Final answer
    x = 8,224.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.