Home / 10,559.16-15,838.70-3,163.62

Finding the Fourth Proportional to 10,559.16, 15,838.70 and 3,163.62

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Solution

The fourth proportional to 10,559.16, 15,838.70 and 3,163.62 is: 4,745.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,559.16 : 15,838.70 = 3,163.62 : x
  2. Step 2: Convert to fraction form
    10,559.16/15,838.70 = 3,163.62/x
  3. Step 3: Cross multiply
    10,559.16x = 15,838.70 × 3,163.62
  4. Step 4: Simplify right side
    10,559.16x = 50,107,628.09
  5. Step 5: Solve for x
    x = 50,107,628.09/10,559.16
  6. Step 6: Final answer
    x = 4,745.42

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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.