Home / 8,021.21-11,069.60-4,484.41

Finding the Fourth Proportional to 8,021.21, 11,069.60 and 4,484.41

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Solution

The fourth proportional to 8,021.21, 11,069.60 and 4,484.41 is: 6,188.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,021.21 : 11,069.60 = 4,484.41 : x
  2. Step 2: Convert to fraction form
    8,021.21/11,069.60 = 4,484.41/x
  3. Step 3: Cross multiply
    8,021.21x = 11,069.60 × 4,484.41
  4. Step 4: Simplify right side
    8,021.21x = 49,640,574.84
  5. Step 5: Solve for x
    x = 49,640,574.84/8,021.21
  6. Step 6: Final answer
    x = 6,188.67

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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.