Home / 11,292.33-16,939.44-4,719.09

Finding the Fourth Proportional to 11,292.33, 16,939.44 and 4,719.09

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Solution

The fourth proportional to 11,292.33, 16,939.44 and 4,719.09 is: 7,079.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,292.33 : 16,939.44 = 4,719.09 : x
  2. Step 2: Convert to fraction form
    11,292.33/16,939.44 = 4,719.09/x
  3. Step 3: Cross multiply
    11,292.33x = 16,939.44 × 4,719.09
  4. Step 4: Simplify right side
    11,292.33x = 79,938,741.91
  5. Step 5: Solve for x
    x = 79,938,741.91/11,292.33
  6. Step 6: Final answer
    x = 7,079.03

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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.