Home / 6,786.04-10,179.07-1,855.72

Finding the Fourth Proportional to 6,786.04, 10,179.07 and 1,855.72

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Solution

The fourth proportional to 6,786.04, 10,179.07 and 1,855.72 is: 2,783.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,786.04 : 10,179.07 = 1,855.72 : x
  2. Step 2: Convert to fraction form
    6,786.04/10,179.07 = 1,855.72/x
  3. Step 3: Cross multiply
    6,786.04x = 10,179.07 × 1,855.72
  4. Step 4: Simplify right side
    6,786.04x = 18,889,494.50
  5. Step 5: Solve for x
    x = 18,889,494.50/6,786.04
  6. Step 6: Final answer
    x = 2,783.58

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.