Home / 12,084.05-16,676.12-6,706.56

Finding the Fourth Proportional to 12,084.05, 16,676.12 and 6,706.56

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Solution

The fourth proportional to 12,084.05, 16,676.12 and 6,706.56 is: 9,255.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,084.05 : 16,676.12 = 6,706.56 : x
  2. Step 2: Convert to fraction form
    12,084.05/16,676.12 = 6,706.56/x
  3. Step 3: Cross multiply
    12,084.05x = 16,676.12 × 6,706.56
  4. Step 4: Simplify right side
    12,084.05x = 111,839,365.81
  5. Step 5: Solve for x
    x = 111,839,365.81/12,084.05
  6. Step 6: Final answer
    x = 9,255.13

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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.