Home / 11,896.51-17,843.37-4,780.46

Finding the Fourth Proportional to 11,896.51, 17,843.37 and 4,780.46

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Solution

The fourth proportional to 11,896.51, 17,843.37 and 4,780.46 is: 7,170.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,896.51 : 17,843.37 = 4,780.46 : x
  2. Step 2: Convert to fraction form
    11,896.51/17,843.37 = 4,780.46/x
  3. Step 3: Cross multiply
    11,896.51x = 17,843.37 × 4,780.46
  4. Step 4: Simplify right side
    11,896.51x = 85,299,448.04
  5. Step 5: Solve for x
    x = 85,299,448.04/11,896.51
  6. Step 6: Final answer
    x = 7,170.13

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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.