Home / 10,815.90-16,224.57-3,795.06

Finding the Fourth Proportional to 10,815.90, 16,224.57 and 3,795.06

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Solution

The fourth proportional to 10,815.90, 16,224.57 and 3,795.06 is: 5,692.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,815.90 : 16,224.57 = 3,795.06 : x
  2. Step 2: Convert to fraction form
    10,815.90/16,224.57 = 3,795.06/x
  3. Step 3: Cross multiply
    10,815.90x = 16,224.57 × 3,795.06
  4. Step 4: Simplify right side
    10,815.90x = 61,573,216.62
  5. Step 5: Solve for x
    x = 61,573,216.62/10,815.90
  6. Step 6: Final answer
    x = 5,692.84

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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.