Home / 10,518.62-15,773.81-3,941.21

Finding the Fourth Proportional to 10,518.62, 15,773.81 and 3,941.21

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Solution

The fourth proportional to 10,518.62, 15,773.81 and 3,941.21 is: 5,910.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,518.62 : 15,773.81 = 3,941.21 : x
  2. Step 2: Convert to fraction form
    10,518.62/15,773.81 = 3,941.21/x
  3. Step 3: Cross multiply
    10,518.62x = 15,773.81 × 3,941.21
  4. Step 4: Simplify right side
    10,518.62x = 62,167,947.00
  5. Step 5: Solve for x
    x = 62,167,947.00/10,518.62
  6. Step 6: Final answer
    x = 5,910.28

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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.