Home / 12,013.73-16,578.88-6,708.56

Finding the Fourth Proportional to 12,013.73, 16,578.88 and 6,708.56

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Solution

The fourth proportional to 12,013.73, 16,578.88 and 6,708.56 is: 9,257.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,013.73 : 16,578.88 = 6,708.56 : x
  2. Step 2: Convert to fraction form
    12,013.73/16,578.88 = 6,708.56/x
  3. Step 3: Cross multiply
    12,013.73x = 16,578.88 × 6,708.56
  4. Step 4: Simplify right side
    12,013.73x = 111,220,349.28
  5. Step 5: Solve for x
    x = 111,220,349.28/12,013.73
  6. Step 6: Final answer
    x = 9,257.77

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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.