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Finding the Fourth Proportional to 8,396.88, 11,585.34 and 4,859.88

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Solution

The fourth proportional to 8,396.88, 11,585.34 and 4,859.88 is: 6,705.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,396.88 : 11,585.34 = 4,859.88 : x
  2. Step 2: Convert to fraction form
    8,396.88/11,585.34 = 4,859.88/x
  3. Step 3: Cross multiply
    8,396.88x = 11,585.34 × 4,859.88
  4. Step 4: Simplify right side
    8,396.88x = 56,303,362.16
  5. Step 5: Solve for x
    x = 56,303,362.16/8,396.88
  6. Step 6: Final answer
    x = 6,705.27

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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.