Home / 12,073.16-16,660.86-6,768.02

Finding the Fourth Proportional to 12,073.16, 16,660.86 and 6,768.02

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Solution

The fourth proportional to 12,073.16, 16,660.86 and 6,768.02 is: 9,339.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,073.16 : 16,660.86 = 6,768.02 : x
  2. Step 2: Convert to fraction form
    12,073.16/16,660.86 = 6,768.02/x
  3. Step 3: Cross multiply
    12,073.16x = 16,660.86 × 6,768.02
  4. Step 4: Simplify right side
    12,073.16x = 112,761,033.70
  5. Step 5: Solve for x
    x = 112,761,033.70/12,073.16
  6. Step 6: Final answer
    x = 9,339.81

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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.