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Finding the Fourth Proportional to 8,847.45, 12,209.04 and 4,868.46

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Solution

The fourth proportional to 8,847.45, 12,209.04 and 4,868.46 is: 6,718.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,847.45 : 12,209.04 = 4,868.46 : x
  2. Step 2: Convert to fraction form
    8,847.45/12,209.04 = 4,868.46/x
  3. Step 3: Cross multiply
    8,847.45x = 12,209.04 × 4,868.46
  4. Step 4: Simplify right side
    8,847.45x = 59,439,222.88
  5. Step 5: Solve for x
    x = 59,439,222.88/8,847.45
  6. Step 6: Final answer
    x = 6,718.23

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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.