Home / 11,932.86-17,905.02-4,918

Finding the Fourth Proportional to 11,932.86, 17,905.02 and 4,918

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Solution

The fourth proportional to 11,932.86, 17,905.02 and 4,918 is: 7,379.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,932.86 : 17,905.02 = 4,918 : x
  2. Step 2: Convert to fraction form
    11,932.86/17,905.02 = 4,918/x
  3. Step 3: Cross multiply
    11,932.86x = 17,905.02 × 4,918
  4. Step 4: Simplify right side
    11,932.86x = 88,056,888.36
  5. Step 5: Solve for x
    x = 88,056,888.36/11,932.86
  6. Step 6: Final answer
    x = 7,379.36

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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.