Home / 7,876.18-11,814.27-3,196.18

Finding the Fourth Proportional to 7,876.18, 11,814.27 and 3,196.18

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Solution

The fourth proportional to 7,876.18, 11,814.27 and 3,196.18 is: 4,794.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,876.18 : 11,814.27 = 3,196.18 : x
  2. Step 2: Convert to fraction form
    7,876.18/11,814.27 = 3,196.18/x
  3. Step 3: Cross multiply
    7,876.18x = 11,814.27 × 3,196.18
  4. Step 4: Simplify right side
    7,876.18x = 37,760,533.49
  5. Step 5: Solve for x
    x = 37,760,533.49/7,876.18
  6. Step 6: Final answer
    x = 4,794.27

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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.