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Finding the Fourth Proportional to 8,653.93, 11,942.48 and 5,071.01

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Solution

The fourth proportional to 8,653.93, 11,942.48 and 5,071.01 is: 6,998.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,653.93 : 11,942.48 = 5,071.01 : x
  2. Step 2: Convert to fraction form
    8,653.93/11,942.48 = 5,071.01/x
  3. Step 3: Cross multiply
    8,653.93x = 11,942.48 × 5,071.01
  4. Step 4: Simplify right side
    8,653.93x = 60,560,435.50
  5. Step 5: Solve for x
    x = 60,560,435.50/8,653.93
  6. Step 6: Final answer
    x = 6,998.03

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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.