Home / 8,235.88-11,376.42-6,136.36

Finding the Fourth Proportional to 8,235.88, 11,376.42 and 6,136.36

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Solution

The fourth proportional to 8,235.88, 11,376.42 and 6,136.36 is: 8,476.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,235.88 : 11,376.42 = 6,136.36 : x
  2. Step 2: Convert to fraction form
    8,235.88/11,376.42 = 6,136.36/x
  3. Step 3: Cross multiply
    8,235.88x = 11,376.42 × 6,136.36
  4. Step 4: Simplify right side
    8,235.88x = 69,809,808.63
  5. Step 5: Solve for x
    x = 69,809,808.63/8,235.88
  6. Step 6: Final answer
    x = 8,476.30

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Half scale
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Double scale
Find fourth proportional to 8,236.88, 11,377.80 and 6,137.36
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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.