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Finding the Fourth Proportional to 8,559, 11,804.94 and 5,910.84

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Solution

The fourth proportional to 8,559, 11,804.94 and 5,910.84 is: 8,152.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,559 : 11,804.94 = 5,910.84 : x
  2. Step 2: Convert to fraction form
    8,559/11,804.94 = 5,910.84/x
  3. Step 3: Cross multiply
    8,559x = 11,804.94 × 5,910.84
  4. Step 4: Simplify right side
    8,559x = 69,777,111.55
  5. Step 5: Solve for x
    x = 69,777,111.55/8,559
  6. Step 6: Final answer
    x = 8,152.48

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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.