Home / 11,690.08-17,537.59-3,791.98

Finding the Fourth Proportional to 11,690.08, 17,537.59 and 3,791.98

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Solution

The fourth proportional to 11,690.08, 17,537.59 and 3,791.98 is: 5,688.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,690.08 : 17,537.59 = 3,791.98 : x
  2. Step 2: Convert to fraction form
    11,690.08/17,537.59 = 3,791.98/x
  3. Step 3: Cross multiply
    11,690.08x = 17,537.59 × 3,791.98
  4. Step 4: Simplify right side
    11,690.08x = 66,502,235.85
  5. Step 5: Solve for x
    x = 66,502,235.85/11,690.08
  6. Step 6: Final answer
    x = 5,688.77

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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.