Home / 8,825.85-12,179.70-4,847.04

Finding the Fourth Proportional to 8,825.85, 12,179.70 and 4,847.04

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Solution

The fourth proportional to 8,825.85, 12,179.70 and 4,847.04 is: 6,688.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,825.85 : 12,179.70 = 4,847.04 : x
  2. Step 2: Convert to fraction form
    8,825.85/12,179.70 = 4,847.04/x
  3. Step 3: Cross multiply
    8,825.85x = 12,179.70 × 4,847.04
  4. Step 4: Simplify right side
    8,825.85x = 59,035,493.09
  5. Step 5: Solve for x
    x = 59,035,493.09/8,825.85
  6. Step 6: Final answer
    x = 6,688.93

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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.