Home / 12,100.35-16,699.47-6,796.47

Finding the Fourth Proportional to 12,100.35, 16,699.47 and 6,796.47

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Solution

The fourth proportional to 12,100.35, 16,699.47 and 6,796.47 is: 9,379.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,100.35 : 16,699.47 = 6,796.47 : x
  2. Step 2: Convert to fraction form
    12,100.35/16,699.47 = 6,796.47/x
  3. Step 3: Cross multiply
    12,100.35x = 16,699.47 × 6,796.47
  4. Step 4: Simplify right side
    12,100.35x = 113,497,446.87
  5. Step 5: Solve for x
    x = 113,497,446.87/12,100.35
  6. Step 6: Final answer
    x = 9,379.68

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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.