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Finding the Fourth Proportional to 9,175.93, 12,662.44 and 4,984.09

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Solution

The fourth proportional to 9,175.93, 12,662.44 and 4,984.09 is: 6,877.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,175.93 : 12,662.44 = 4,984.09 : x
  2. Step 2: Convert to fraction form
    9,175.93/12,662.44 = 4,984.09/x
  3. Step 3: Cross multiply
    9,175.93x = 12,662.44 × 4,984.09
  4. Step 4: Simplify right side
    9,175.93x = 63,110,740.58
  5. Step 5: Solve for x
    x = 63,110,740.58/9,175.93
  6. Step 6: Final answer
    x = 6,877.86

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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.