Home / 10,374.98-15,563.16-2,979.27

Finding the Fourth Proportional to 10,374.98, 15,563.16 and 2,979.27

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Solution

The fourth proportional to 10,374.98, 15,563.16 and 2,979.27 is: 4,469.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,374.98 : 15,563.16 = 2,979.27 : x
  2. Step 2: Convert to fraction form
    10,374.98/15,563.16 = 2,979.27/x
  3. Step 3: Cross multiply
    10,374.98x = 15,563.16 × 2,979.27
  4. Step 4: Simplify right side
    10,374.98x = 46,366,855.69
  5. Step 5: Solve for x
    x = 46,366,855.69/10,374.98
  6. Step 6: Final answer
    x = 4,469.11

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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.