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Finding the Fourth Proportional to 8,692.86, 11,995.23 and 5,335.80

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Solution

The fourth proportional to 8,692.86, 11,995.23 and 5,335.80 is: 7,362.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,692.86 : 11,995.23 = 5,335.80 : x
  2. Step 2: Convert to fraction form
    8,692.86/11,995.23 = 5,335.80/x
  3. Step 3: Cross multiply
    8,692.86x = 11,995.23 × 5,335.80
  4. Step 4: Simplify right side
    8,692.86x = 64,004,148.23
  5. Step 5: Solve for x
    x = 64,004,148.23/8,692.86
  6. Step 6: Final answer
    x = 7,362.84

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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.