Home / 8,907.31-13,360.83-2,667.39

Finding the Fourth Proportional to 8,907.31, 13,360.83 and 2,667.39

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Solution

The fourth proportional to 8,907.31, 13,360.83 and 2,667.39 is: 4,001.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,907.31 : 13,360.83 = 2,667.39 : x
  2. Step 2: Convert to fraction form
    8,907.31/13,360.83 = 2,667.39/x
  3. Step 3: Cross multiply
    8,907.31x = 13,360.83 × 2,667.39
  4. Step 4: Simplify right side
    8,907.31x = 35,638,544.33
  5. Step 5: Solve for x
    x = 35,638,544.33/8,907.31
  6. Step 6: Final answer
    x = 4,001.04

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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.