Home / 12,072.39-16,659.93-6,767.25

Finding the Fourth Proportional to 12,072.39, 16,659.93 and 6,767.25

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Solution

The fourth proportional to 12,072.39, 16,659.93 and 6,767.25 is: 9,338.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,072.39 : 16,659.93 = 6,767.25 : x
  2. Step 2: Convert to fraction form
    12,072.39/16,659.93 = 6,767.25/x
  3. Step 3: Cross multiply
    12,072.39x = 16,659.93 × 6,767.25
  4. Step 4: Simplify right side
    12,072.39x = 112,741,836.13
  5. Step 5: Solve for x
    x = 112,741,836.13/12,072.39
  6. Step 6: Final answer
    x = 9,338.82

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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.