Home / 11,675.70-16,112.46-6,370.52

Finding the Fourth Proportional to 11,675.70, 16,112.46 and 6,370.52

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Solution

The fourth proportional to 11,675.70, 16,112.46 and 6,370.52 is: 8,791.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,675.70 : 16,112.46 = 6,370.52 : x
  2. Step 2: Convert to fraction form
    11,675.70/16,112.46 = 6,370.52/x
  3. Step 3: Cross multiply
    11,675.70x = 16,112.46 × 6,370.52
  4. Step 4: Simplify right side
    11,675.70x = 102,644,668.12
  5. Step 5: Solve for x
    x = 102,644,668.12/11,675.70
  6. Step 6: Final answer
    x = 8,791.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.