Home / 8,541.24-11,782.42-6,949.66

Finding the Fourth Proportional to 8,541.24, 11,782.42 and 6,949.66

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Solution

The fourth proportional to 8,541.24, 11,782.42 and 6,949.66 is: 9,586.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,541.24 : 11,782.42 = 6,949.66 : x
  2. Step 2: Convert to fraction form
    8,541.24/11,782.42 = 6,949.66/x
  3. Step 3: Cross multiply
    8,541.24x = 11,782.42 × 6,949.66
  4. Step 4: Simplify right side
    8,541.24x = 81,883,812.98
  5. Step 5: Solve for x
    x = 81,883,812.98/8,541.24
  6. Step 6: Final answer
    x = 9,586.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.