Home / 7,866.51-11,799.67-3,185.25

Finding the Fourth Proportional to 7,866.51, 11,799.67 and 3,185.25

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Solution

The fourth proportional to 7,866.51, 11,799.67 and 3,185.25 is: 4,777.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,866.51 : 11,799.67 = 3,185.25 : x
  2. Step 2: Convert to fraction form
    7,866.51/11,799.67 = 3,185.25/x
  3. Step 3: Cross multiply
    7,866.51x = 11,799.67 × 3,185.25
  4. Step 4: Simplify right side
    7,866.51x = 37,584,898.87
  5. Step 5: Solve for x
    x = 37,584,898.87/7,866.51
  6. Step 6: Final answer
    x = 4,777.84

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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.