Home / 8,474.49-11,692.08-5,118.30

Finding the Fourth Proportional to 8,474.49, 11,692.08 and 5,118.30

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Solution

The fourth proportional to 8,474.49, 11,692.08 and 5,118.30 is: 7,061.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,474.49 : 11,692.08 = 5,118.30 : x
  2. Step 2: Convert to fraction form
    8,474.49/11,692.08 = 5,118.30/x
  3. Step 3: Cross multiply
    8,474.49x = 11,692.08 × 5,118.30
  4. Step 4: Simplify right side
    8,474.49x = 59,843,573.06
  5. Step 5: Solve for x
    x = 59,843,573.06/8,474.49
  6. Step 6: Final answer
    x = 7,061.61

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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.