Home / 12,102.66-16,700.04-6,797.16

Finding the Fourth Proportional to 12,102.66, 16,700.04 and 6,797.16

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Solution

The fourth proportional to 12,102.66, 16,700.04 and 6,797.16 is: 9,379.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,102.66 : 16,700.04 = 6,797.16 : x
  2. Step 2: Convert to fraction form
    12,102.66/16,700.04 = 6,797.16/x
  3. Step 3: Cross multiply
    12,102.66x = 16,700.04 × 6,797.16
  4. Step 4: Simplify right side
    12,102.66x = 113,512,843.89
  5. Step 5: Solve for x
    x = 113,512,843.89/12,102.66
  6. Step 6: Final answer
    x = 9,379.16

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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.