Home / 7,736.71-11,605.05-2,806.33

Finding the Fourth Proportional to 7,736.71, 11,605.05 and 2,806.33

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Solution

The fourth proportional to 7,736.71, 11,605.05 and 2,806.33 is: 4,209.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,736.71 : 11,605.05 = 2,806.33 : x
  2. Step 2: Convert to fraction form
    7,736.71/11,605.05 = 2,806.33/x
  3. Step 3: Cross multiply
    7,736.71x = 11,605.05 × 2,806.33
  4. Step 4: Simplify right side
    7,736.71x = 32,567,599.97
  5. Step 5: Solve for x
    x = 32,567,599.97/7,736.71
  6. Step 6: Final answer
    x = 4,209.49

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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.