Home / 10,623.90-15,936.42-3,228.60

Finding the Fourth Proportional to 10,623.90, 15,936.42 and 3,228.60

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Solution

The fourth proportional to 10,623.90, 15,936.42 and 3,228.60 is: 4,843.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,623.90 : 15,936.42 = 3,228.60 : x
  2. Step 2: Convert to fraction form
    10,623.90/15,936.42 = 3,228.60/x
  3. Step 3: Cross multiply
    10,623.90x = 15,936.42 × 3,228.60
  4. Step 4: Simplify right side
    10,623.90x = 51,452,325.61
  5. Step 5: Solve for x
    x = 51,452,325.61/10,623.90
  6. Step 6: Final answer
    x = 4,843.07

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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.