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Finding the Fourth Proportional to 8,059.10, 11,991.14 and 7,858.22

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Solution

The fourth proportional to 8,059.10, 11,991.14 and 7,858.22 is: 11,692.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,059.10 : 11,991.14 = 7,858.22 : x
  2. Step 2: Convert to fraction form
    8,059.10/11,991.14 = 7,858.22/x
  3. Step 3: Cross multiply
    8,059.10x = 11,991.14 × 7,858.22
  4. Step 4: Simplify right side
    8,059.10x = 94,228,946.39
  5. Step 5: Solve for x
    x = 94,228,946.39/8,059.10
  6. Step 6: Final answer
    x = 11,692.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.