Home / 9,863.78-13,610.13-5,885.26

Finding the Fourth Proportional to 9,863.78, 13,610.13 and 5,885.26

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Solution

The fourth proportional to 9,863.78, 13,610.13 and 5,885.26 is: 8,120.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,863.78 : 13,610.13 = 5,885.26 : x
  2. Step 2: Convert to fraction form
    9,863.78/13,610.13 = 5,885.26/x
  3. Step 3: Cross multiply
    9,863.78x = 13,610.13 × 5,885.26
  4. Step 4: Simplify right side
    9,863.78x = 80,099,097.59
  5. Step 5: Solve for x
    x = 80,099,097.59/9,863.78
  6. Step 6: Final answer
    x = 8,120.53

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.