Home / 7,706.89-11,560.36-1,863.49

Finding the Fourth Proportional to 7,706.89, 11,560.36 and 1,863.49

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Solution

The fourth proportional to 7,706.89, 11,560.36 and 1,863.49 is: 2,795.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,706.89 : 11,560.36 = 1,863.49 : x
  2. Step 2: Convert to fraction form
    7,706.89/11,560.36 = 1,863.49/x
  3. Step 3: Cross multiply
    7,706.89x = 11,560.36 × 1,863.49
  4. Step 4: Simplify right side
    7,706.89x = 21,542,557.45
  5. Step 5: Solve for x
    x = 21,542,557.45/7,706.89
  6. Step 6: Final answer
    x = 2,795.24

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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.