Home / 11,455.31-17,182.80-3,135.33

Finding the Fourth Proportional to 11,455.31, 17,182.80 and 3,135.33

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Solution

The fourth proportional to 11,455.31, 17,182.80 and 3,135.33 is: 4,702.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,455.31 : 17,182.80 = 3,135.33 : x
  2. Step 2: Convert to fraction form
    11,455.31/17,182.80 = 3,135.33/x
  3. Step 3: Cross multiply
    11,455.31x = 17,182.80 × 3,135.33
  4. Step 4: Simplify right side
    11,455.31x = 53,873,748.32
  5. Step 5: Solve for x
    x = 53,873,748.32/11,455.31
  6. Step 6: Final answer
    x = 4,702.95

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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.