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Finding the Fourth Proportional to 12,186.36, 16,817.22 and 6,597.36

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Solution

The fourth proportional to 12,186.36, 16,817.22 and 6,597.36 is: 9,104.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,186.36 : 16,817.22 = 6,597.36 : x
  2. Step 2: Convert to fraction form
    12,186.36/16,817.22 = 6,597.36/x
  3. Step 3: Cross multiply
    12,186.36x = 16,817.22 × 6,597.36
  4. Step 4: Simplify right side
    12,186.36x = 110,949,254.54
  5. Step 5: Solve for x
    x = 110,949,254.54/12,186.36
  6. Step 6: Final answer
    x = 9,104.38

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Half scale
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Double scale
Find fourth proportional to 12,187.36, 16,818.60 and 6,598.36
Similar ratio
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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.