Home / 7,411.99-11,108.43-5,548.51

Finding the Fourth Proportional to 7,411.99, 11,108.43 and 5,548.51

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Solution

The fourth proportional to 7,411.99, 11,108.43 and 5,548.51 is: 8,315.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,411.99 : 11,108.43 = 5,548.51 : x
  2. Step 2: Convert to fraction form
    7,411.99/11,108.43 = 5,548.51/x
  3. Step 3: Cross multiply
    7,411.99x = 11,108.43 × 5,548.51
  4. Step 4: Simplify right side
    7,411.99x = 61,635,234.94
  5. Step 5: Solve for x
    x = 61,635,234.94/7,411.99
  6. Step 6: Final answer
    x = 8,315.61

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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.