Home / 8,828.87-13,245.93-3,561.17

Finding the Fourth Proportional to 8,828.87, 13,245.93 and 3,561.17

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Solution

The fourth proportional to 8,828.87, 13,245.93 and 3,561.17 is: 5,342.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,828.87 : 13,245.93 = 3,561.17 : x
  2. Step 2: Convert to fraction form
    8,828.87/13,245.93 = 3,561.17/x
  3. Step 3: Cross multiply
    8,828.87x = 13,245.93 × 3,561.17
  4. Step 4: Simplify right side
    8,828.87x = 47,170,942.31
  5. Step 5: Solve for x
    x = 47,170,942.31/8,828.87
  6. Step 6: Final answer
    x = 5,342.81

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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.