Home / 11,310.45-16,973.46-5,077.44

Finding the Fourth Proportional to 11,310.45, 16,973.46 and 5,077.44

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Solution

The fourth proportional to 11,310.45, 16,973.46 and 5,077.44 is: 7,619.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,310.45 : 16,973.46 = 5,077.44 : x
  2. Step 2: Convert to fraction form
    11,310.45/16,973.46 = 5,077.44/x
  3. Step 3: Cross multiply
    11,310.45x = 16,973.46 × 5,077.44
  4. Step 4: Simplify right side
    11,310.45x = 86,181,724.74
  5. Step 5: Solve for x
    x = 86,181,724.74/11,310.45
  6. Step 6: Final answer
    x = 7,619.65

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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.