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Finding the Fourth Proportional to 11,243, 15,516.42 and 7,050.44

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Solution

The fourth proportional to 11,243, 15,516.42 and 7,050.44 is: 9,730.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,243 : 15,516.42 = 7,050.44 : x
  2. Step 2: Convert to fraction form
    11,243/15,516.42 = 7,050.44/x
  3. Step 3: Cross multiply
    11,243x = 15,516.42 × 7,050.44
  4. Step 4: Simplify right side
    11,243x = 109,397,588.22
  5. Step 5: Solve for x
    x = 109,397,588.22/11,243
  6. Step 6: Final answer
    x = 9,730.28

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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.