Home / 12,001.96-16,563.05-6,696.66

Finding the Fourth Proportional to 12,001.96, 16,563.05 and 6,696.66

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Solution

The fourth proportional to 12,001.96, 16,563.05 and 6,696.66 is: 9,241.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,001.96 : 16,563.05 = 6,696.66 : x
  2. Step 2: Convert to fraction form
    12,001.96/16,563.05 = 6,696.66/x
  3. Step 3: Cross multiply
    12,001.96x = 16,563.05 × 6,696.66
  4. Step 4: Simplify right side
    12,001.96x = 110,917,114.41
  5. Step 5: Solve for x
    x = 110,917,114.41/12,001.96
  6. Step 6: Final answer
    x = 9,241.58

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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.