Home / 7,845.24-11,760.44-2,911.53

Finding the Fourth Proportional to 7,845.24, 11,760.44 and 2,911.53

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Solution

The fourth proportional to 7,845.24, 11,760.44 and 2,911.53 is: 4,364.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,845.24 : 11,760.44 = 2,911.53 : x
  2. Step 2: Convert to fraction form
    7,845.24/11,760.44 = 2,911.53/x
  3. Step 3: Cross multiply
    7,845.24x = 11,760.44 × 2,911.53
  4. Step 4: Simplify right side
    7,845.24x = 34,240,859.32
  5. Step 5: Solve for x
    x = 34,240,859.32/7,845.24
  6. Step 6: Final answer
    x = 4,364.54

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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.