Home / 11,415.18-17,119.80-4,837.98

Finding the Fourth Proportional to 11,415.18, 17,119.80 and 4,837.98

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Solution

The fourth proportional to 11,415.18, 17,119.80 and 4,837.98 is: 7,255.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,415.18 : 17,119.80 = 4,837.98 : x
  2. Step 2: Convert to fraction form
    11,415.18/17,119.80 = 4,837.98/x
  3. Step 3: Cross multiply
    11,415.18x = 17,119.80 × 4,837.98
  4. Step 4: Simplify right side
    11,415.18x = 82,825,250.00
  5. Step 5: Solve for x
    x = 82,825,250.00/11,415.18
  6. Step 6: Final answer
    x = 7,255.71

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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.