Home / 12,102.07-16,700.76-6,796.77

Finding the Fourth Proportional to 12,102.07, 16,700.76 and 6,796.77

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Solution

The fourth proportional to 12,102.07, 16,700.76 and 6,796.77 is: 9,379.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,102.07 : 16,700.76 = 6,796.77 : x
  2. Step 2: Convert to fraction form
    12,102.07/16,700.76 = 6,796.77/x
  3. Step 3: Cross multiply
    12,102.07x = 16,700.76 × 6,796.77
  4. Step 4: Simplify right side
    12,102.07x = 113,511,224.55
  5. Step 5: Solve for x
    x = 113,511,224.55/12,102.07
  6. Step 6: Final answer
    x = 9,379.49

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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.