Home / 11,791.07-16,256.26-8,557.98

Finding the Fourth Proportional to 11,791.07, 16,256.26 and 8,557.98

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Solution

The fourth proportional to 11,791.07, 16,256.26 and 8,557.98 is: 11,798.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,791.07 : 16,256.26 = 8,557.98 : x
  2. Step 2: Convert to fraction form
    11,791.07/16,256.26 = 8,557.98/x
  3. Step 3: Cross multiply
    11,791.07x = 16,256.26 × 8,557.98
  4. Step 4: Simplify right side
    11,791.07x = 139,120,747.95
  5. Step 5: Solve for x
    x = 139,120,747.95/11,791.07
  6. Step 6: Final answer
    x = 11,798.82

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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.