Home / 9,861.44-13,609.14-5,885.60

Finding the Fourth Proportional to 9,861.44, 13,609.14 and 5,885.60

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Solution

The fourth proportional to 9,861.44, 13,609.14 and 5,885.60 is: 8,122.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,861.44 : 13,609.14 = 5,885.60 : x
  2. Step 2: Convert to fraction form
    9,861.44/13,609.14 = 5,885.60/x
  3. Step 3: Cross multiply
    9,861.44x = 13,609.14 × 5,885.60
  4. Step 4: Simplify right side
    9,861.44x = 80,097,954.38
  5. Step 5: Solve for x
    x = 80,097,954.38/9,861.44
  6. Step 6: Final answer
    x = 8,122.34

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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.