Home / 10,103.48-13,942.44-5,627.44

Finding the Fourth Proportional to 10,103.48, 13,942.44 and 5,627.44

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Solution

The fourth proportional to 10,103.48, 13,942.44 and 5,627.44 is: 7,765.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,103.48 : 13,942.44 = 5,627.44 : x
  2. Step 2: Convert to fraction form
    10,103.48/13,942.44 = 5,627.44/x
  3. Step 3: Cross multiply
    10,103.48x = 13,942.44 × 5,627.44
  4. Step 4: Simplify right side
    10,103.48x = 78,460,244.55
  5. Step 5: Solve for x
    x = 78,460,244.55/10,103.48
  6. Step 6: Final answer
    x = 7,765.67

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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.