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Finding the Fourth Proportional to 11,469.03, 15,812.11 and 7,483.22

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Solution

The fourth proportional to 11,469.03, 15,812.11 and 7,483.22 is: 10,316.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,469.03 : 15,812.11 = 7,483.22 : x
  2. Step 2: Convert to fraction form
    11,469.03/15,812.11 = 7,483.22/x
  3. Step 3: Cross multiply
    11,469.03x = 15,812.11 × 7,483.22
  4. Step 4: Simplify right side
    11,469.03x = 118,325,487.38
  5. Step 5: Solve for x
    x = 118,325,487.38/11,469.03
  6. Step 6: Final answer
    x = 10,316.96

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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.