Home / 7,847.24-10,783.21-6,272.60

Finding the Fourth Proportional to 7,847.24, 10,783.21 and 6,272.60

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Solution

The fourth proportional to 7,847.24, 10,783.21 and 6,272.60 is: 8,619.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,847.24 : 10,783.21 = 6,272.60 : x
  2. Step 2: Convert to fraction form
    7,847.24/10,783.21 = 6,272.60/x
  3. Step 3: Cross multiply
    7,847.24x = 10,783.21 × 6,272.60
  4. Step 4: Simplify right side
    7,847.24x = 67,638,763.05
  5. Step 5: Solve for x
    x = 67,638,763.05/7,847.24
  6. Step 6: Final answer
    x = 8,619.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.