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Finding the Fourth Proportional to 8,295.86, 11,443.26 and 5,310.64

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Solution

The fourth proportional to 8,295.86, 11,443.26 and 5,310.64 is: 7,325.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,295.86 : 11,443.26 = 5,310.64 : x
  2. Step 2: Convert to fraction form
    8,295.86/11,443.26 = 5,310.64/x
  3. Step 3: Cross multiply
    8,295.86x = 11,443.26 × 5,310.64
  4. Step 4: Simplify right side
    8,295.86x = 60,771,034.29
  5. Step 5: Solve for x
    x = 60,771,034.29/8,295.86
  6. Step 6: Final answer
    x = 7,325.47

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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.