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Finding the Fourth Proportional to 8,604.46, 11,857.92 and 6,210.20

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Solution

The fourth proportional to 8,604.46, 11,857.92 and 6,210.20 is: 8,558.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,604.46 : 11,857.92 = 6,210.20 : x
  2. Step 2: Convert to fraction form
    8,604.46/11,857.92 = 6,210.20/x
  3. Step 3: Cross multiply
    8,604.46x = 11,857.92 × 6,210.20
  4. Step 4: Simplify right side
    8,604.46x = 73,640,061.14
  5. Step 5: Solve for x
    x = 73,640,061.14/8,604.46
  6. Step 6: Final answer
    x = 8,558.36

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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.