Home / 12,073.26-16,660.88-6,768.06

Finding the Fourth Proportional to 12,073.26, 16,660.88 and 6,768.06

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Solution

The fourth proportional to 12,073.26, 16,660.88 and 6,768.06 is: 9,339.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,073.26 : 16,660.88 = 6,768.06 : x
  2. Step 2: Convert to fraction form
    12,073.26/16,660.88 = 6,768.06/x
  3. Step 3: Cross multiply
    12,073.26x = 16,660.88 × 6,768.06
  4. Step 4: Simplify right side
    12,073.26x = 112,761,835.49
  5. Step 5: Solve for x
    x = 112,761,835.49/12,073.26
  6. Step 6: Final answer
    x = 9,339.80

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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.