Home / 10,557.46-15,837.09-2,766.25

Finding the Fourth Proportional to 10,557.46, 15,837.09 and 2,766.25

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Solution

The fourth proportional to 10,557.46, 15,837.09 and 2,766.25 is: 4,149.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,557.46 : 15,837.09 = 2,766.25 : x
  2. Step 2: Convert to fraction form
    10,557.46/15,837.09 = 2,766.25/x
  3. Step 3: Cross multiply
    10,557.46x = 15,837.09 × 2,766.25
  4. Step 4: Simplify right side
    10,557.46x = 43,809,350.21
  5. Step 5: Solve for x
    x = 43,809,350.21/10,557.46
  6. Step 6: Final answer
    x = 4,149.61

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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.