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Finding the Fourth Proportional to 9,350.94, 12,958.90 and 9,173.53

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Solution

The fourth proportional to 9,350.94, 12,958.90 and 9,173.53 is: 12,713.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,350.94 : 12,958.90 = 9,173.53 : x
  2. Step 2: Convert to fraction form
    9,350.94/12,958.90 = 9,173.53/x
  3. Step 3: Cross multiply
    9,350.94x = 12,958.90 × 9,173.53
  4. Step 4: Simplify right side
    9,350.94x = 118,878,812.05
  5. Step 5: Solve for x
    x = 118,878,812.05/9,350.94
  6. Step 6: Final answer
    x = 12,713.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.