Home / 7,853.25-11,779.89-3,236.25

Finding the Fourth Proportional to 7,853.25, 11,779.89 and 3,236.25

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Solution

The fourth proportional to 7,853.25, 11,779.89 and 3,236.25 is: 4,854.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,853.25 : 11,779.89 = 3,236.25 : x
  2. Step 2: Convert to fraction form
    7,853.25/11,779.89 = 3,236.25/x
  3. Step 3: Cross multiply
    7,853.25x = 11,779.89 × 3,236.25
  4. Step 4: Simplify right side
    7,853.25x = 38,122,669.01
  5. Step 5: Solve for x
    x = 38,122,669.01/7,853.25
  6. Step 6: Final answer
    x = 4,854.38

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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.