Home / 10,623.12-15,936.50-3,228.31

Finding the Fourth Proportional to 10,623.12, 15,936.50 and 3,228.31

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Solution

The fourth proportional to 10,623.12, 15,936.50 and 3,228.31 is: 4,843.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,623.12 : 15,936.50 = 3,228.31 : x
  2. Step 2: Convert to fraction form
    10,623.12/15,936.50 = 3,228.31/x
  3. Step 3: Cross multiply
    10,623.12x = 15,936.50 × 3,228.31
  4. Step 4: Simplify right side
    10,623.12x = 51,447,962.32
  5. Step 5: Solve for x
    x = 51,447,962.32/10,623.12
  6. Step 6: Final answer
    x = 4,843.02

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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.