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Finding the Fourth Proportional to 9,994.10, 13,792.41 and 8,583.48

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Solution

The fourth proportional to 9,994.10, 13,792.41 and 8,583.48 is: 11,845.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,994.10 : 13,792.41 = 8,583.48 : x
  2. Step 2: Convert to fraction form
    9,994.10/13,792.41 = 8,583.48/x
  3. Step 3: Cross multiply
    9,994.10x = 13,792.41 × 8,583.48
  4. Step 4: Simplify right side
    9,994.10x = 118,386,875.39
  5. Step 5: Solve for x
    x = 118,386,875.39/9,994.10
  6. Step 6: Final answer
    x = 11,845.68

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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.