Home / 11,455.98-17,186.66-3,558.09

Finding the Fourth Proportional to 11,455.98, 17,186.66 and 3,558.09

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Solution

The fourth proportional to 11,455.98, 17,186.66 and 3,558.09 is: 5,337.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,455.98 : 17,186.66 = 3,558.09 : x
  2. Step 2: Convert to fraction form
    11,455.98/17,186.66 = 3,558.09/x
  3. Step 3: Cross multiply
    11,455.98x = 17,186.66 × 3,558.09
  4. Step 4: Simplify right side
    11,455.98x = 61,151,579.36
  5. Step 5: Solve for x
    x = 61,151,579.36/11,455.98
  6. Step 6: Final answer
    x = 5,337.96

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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.