Home / 10,579.14-15,855.98-3,910.32

Finding the Fourth Proportional to 10,579.14, 15,855.98 and 3,910.32

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Solution

The fourth proportional to 10,579.14, 15,855.98 and 3,910.32 is: 5,860.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,579.14 : 15,855.98 = 3,910.32 : x
  2. Step 2: Convert to fraction form
    10,579.14/15,855.98 = 3,910.32/x
  3. Step 3: Cross multiply
    10,579.14x = 15,855.98 × 3,910.32
  4. Step 4: Simplify right side
    10,579.14x = 62,001,936.16
  5. Step 5: Solve for x
    x = 62,001,936.16/10,579.14
  6. Step 6: Final answer
    x = 5,860.77

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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.