Home / 11,947.44-17,918.28-4,551.60

Finding the Fourth Proportional to 11,947.44, 17,918.28 and 4,551.60

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Solution

The fourth proportional to 11,947.44, 17,918.28 and 4,551.60 is: 6,826.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,947.44 : 17,918.28 = 4,551.60 : x
  2. Step 2: Convert to fraction form
    11,947.44/17,918.28 = 4,551.60/x
  3. Step 3: Cross multiply
    11,947.44x = 17,918.28 × 4,551.60
  4. Step 4: Simplify right side
    11,947.44x = 81,556,843.25
  5. Step 5: Solve for x
    x = 81,556,843.25/11,947.44
  6. Step 6: Final answer
    x = 6,826.30

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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.