Home / 11,287.16-16,933.46-3,389.66

Finding the Fourth Proportional to 11,287.16, 16,933.46 and 3,389.66

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Solution

The fourth proportional to 11,287.16, 16,933.46 and 3,389.66 is: 5,085.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,287.16 : 16,933.46 = 3,389.66 : x
  2. Step 2: Convert to fraction form
    11,287.16/16,933.46 = 3,389.66/x
  3. Step 3: Cross multiply
    11,287.16x = 16,933.46 × 3,389.66
  4. Step 4: Simplify right side
    11,287.16x = 57,398,672.02
  5. Step 5: Solve for x
    x = 57,398,672.02/11,287.16
  6. Step 6: Final answer
    x = 5,085.31

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