Home / 11,490.66-17,235.59-3,699.68

Finding the Fourth Proportional to 11,490.66, 17,235.59 and 3,699.68

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Solution

The fourth proportional to 11,490.66, 17,235.59 and 3,699.68 is: 5,549.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,490.66 : 17,235.59 = 3,699.68 : x
  2. Step 2: Convert to fraction form
    11,490.66/17,235.59 = 3,699.68/x
  3. Step 3: Cross multiply
    11,490.66x = 17,235.59 × 3,699.68
  4. Step 4: Simplify right side
    11,490.66x = 63,766,062.93
  5. Step 5: Solve for x
    x = 63,766,062.93/11,490.66
  6. Step 6: Final answer
    x = 5,549.38

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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.