Home / 6,847.41-9,447.21-4,192.05

Finding the Fourth Proportional to 6,847.41, 9,447.21 and 4,192.05

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Solution

The fourth proportional to 6,847.41, 9,447.21 and 4,192.05 is: 5,783.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,847.41 : 9,447.21 = 4,192.05 : x
  2. Step 2: Convert to fraction form
    6,847.41/9,447.21 = 4,192.05/x
  3. Step 3: Cross multiply
    6,847.41x = 9,447.21 × 4,192.05
  4. Step 4: Simplify right side
    6,847.41x = 39,603,176.68
  5. Step 5: Solve for x
    x = 39,603,176.68/6,847.41
  6. Step 6: Final answer
    x = 5,783.67

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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.