Home / 12,001.67-16,563.10-6,696.60

Finding the Fourth Proportional to 12,001.67, 16,563.10 and 6,696.60

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Solution

The fourth proportional to 12,001.67, 16,563.10 and 6,696.60 is: 9,241.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,001.67 : 16,563.10 = 6,696.60 : x
  2. Step 2: Convert to fraction form
    12,001.67/16,563.10 = 6,696.60/x
  3. Step 3: Cross multiply
    12,001.67x = 16,563.10 × 6,696.60
  4. Step 4: Simplify right side
    12,001.67x = 110,916,438.72
  5. Step 5: Solve for x
    x = 110,916,438.72/12,001.67
  6. Step 6: Final answer
    x = 9,241.75

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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.