Home / 12,073.39-16,661.31-6,768.25

Finding the Fourth Proportional to 12,073.39, 16,661.31 and 6,768.25

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Solution

The fourth proportional to 12,073.39, 16,661.31 and 6,768.25 is: 9,340.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,073.39 : 16,661.31 = 6,768.25 : x
  2. Step 2: Convert to fraction form
    12,073.39/16,661.31 = 6,768.25/x
  3. Step 3: Cross multiply
    12,073.39x = 16,661.31 × 6,768.25
  4. Step 4: Simplify right side
    12,073.39x = 112,767,911.41
  5. Step 5: Solve for x
    x = 112,767,911.41/12,073.39
  6. Step 6: Final answer
    x = 9,340.20

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Half scale
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Double scale
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Similar ratio
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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.