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Finding the Fourth Proportional to 8,957.08, 12,361.98 and 6,166.36

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Solution

The fourth proportional to 8,957.08, 12,361.98 and 6,166.36 is: 8,510.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,957.08 : 12,361.98 = 6,166.36 : x
  2. Step 2: Convert to fraction form
    8,957.08/12,361.98 = 6,166.36/x
  3. Step 3: Cross multiply
    8,957.08x = 12,361.98 × 6,166.36
  4. Step 4: Simplify right side
    8,957.08x = 76,228,418.99
  5. Step 5: Solve for x
    x = 76,228,418.99/8,957.08
  6. Step 6: Final answer
    x = 8,510.41

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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.