Home / 12,168.48-16,791.82-6,862.98

Finding the Fourth Proportional to 12,168.48, 16,791.82 and 6,862.98

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Solution

The fourth proportional to 12,168.48, 16,791.82 and 6,862.98 is: 9,470.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,168.48 : 16,791.82 = 6,862.98 : x
  2. Step 2: Convert to fraction form
    12,168.48/16,791.82 = 6,862.98/x
  3. Step 3: Cross multiply
    12,168.48x = 16,791.82 × 6,862.98
  4. Step 4: Simplify right side
    12,168.48x = 115,241,924.82
  5. Step 5: Solve for x
    x = 115,241,924.82/12,168.48
  6. Step 6: Final answer
    x = 9,470.53

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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.