Home / 11,917.06-17,872.59-4,899.03

Finding the Fourth Proportional to 11,917.06, 17,872.59 and 4,899.03

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Solution

The fourth proportional to 11,917.06, 17,872.59 and 4,899.03 is: 7,347.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,917.06 : 17,872.59 = 4,899.03 : x
  2. Step 2: Convert to fraction form
    11,917.06/17,872.59 = 4,899.03/x
  3. Step 3: Cross multiply
    11,917.06x = 17,872.59 × 4,899.03
  4. Step 4: Simplify right side
    11,917.06x = 87,558,354.59
  5. Step 5: Solve for x
    x = 87,558,354.59/11,917.06
  6. Step 6: Final answer
    x = 7,347.31

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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.