Home / 11,900.18-17,850-4,108.26

Finding the Fourth Proportional to 11,900.18, 17,850 and 4,108.26

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Solution

The fourth proportional to 11,900.18, 17,850 and 4,108.26 is: 6,162.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,900.18 : 17,850 = 4,108.26 : x
  2. Step 2: Convert to fraction form
    11,900.18/17,850 = 4,108.26/x
  3. Step 3: Cross multiply
    11,900.18x = 17,850 × 4,108.26
  4. Step 4: Simplify right side
    11,900.18x = 73,332,441
  5. Step 5: Solve for x
    x = 73,332,441/11,900.18
  6. Step 6: Final answer
    x = 6,162.30

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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.