Home / 12,073.62-16,661.58-6,768.43

Finding the Fourth Proportional to 12,073.62, 16,661.58 and 6,768.43

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Solution

The fourth proportional to 12,073.62, 16,661.58 and 6,768.43 is: 9,340.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,073.62 : 16,661.58 = 6,768.43 : x
  2. Step 2: Convert to fraction form
    12,073.62/16,661.58 = 6,768.43/x
  3. Step 3: Cross multiply
    12,073.62x = 16,661.58 × 6,768.43
  4. Step 4: Simplify right side
    12,073.62x = 112,772,741.83
  5. Step 5: Solve for x
    x = 112,772,741.83/12,073.62
  6. Step 6: Final answer
    x = 9,340.43

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Half scale
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Double scale
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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.