Home / 12,001.02-16,561.62-6,696.33

Finding the Fourth Proportional to 12,001.02, 16,561.62 and 6,696.33

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Solution

The fourth proportional to 12,001.02, 16,561.62 and 6,696.33 is: 9,241.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,001.02 : 16,561.62 = 6,696.33 : x
  2. Step 2: Convert to fraction form
    12,001.02/16,561.62 = 6,696.33/x
  3. Step 3: Cross multiply
    12,001.02x = 16,561.62 × 6,696.33
  4. Step 4: Simplify right side
    12,001.02x = 110,902,072.85
  5. Step 5: Solve for x
    x = 110,902,072.85/12,001.02
  6. Step 6: Final answer
    x = 9,241.05

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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.