Home / 11,558.55-17,327.27-4,161.32

Finding the Fourth Proportional to 11,558.55, 17,327.27 and 4,161.32

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Solution

The fourth proportional to 11,558.55, 17,327.27 and 4,161.32 is: 6,238.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,558.55 : 17,327.27 = 4,161.32 : x
  2. Step 2: Convert to fraction form
    11,558.55/17,327.27 = 4,161.32/x
  3. Step 3: Cross multiply
    11,558.55x = 17,327.27 × 4,161.32
  4. Step 4: Simplify right side
    11,558.55x = 72,104,207.75
  5. Step 5: Solve for x
    x = 72,104,207.75/11,558.55
  6. Step 6: Final answer
    x = 6,238.17

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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.