Home / 10,996.90-16,499.40-3,601.60

Finding the Fourth Proportional to 10,996.90, 16,499.40 and 3,601.60

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Solution

The fourth proportional to 10,996.90, 16,499.40 and 3,601.60 is: 5,403.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,996.90 : 16,499.40 = 3,601.60 : x
  2. Step 2: Convert to fraction form
    10,996.90/16,499.40 = 3,601.60/x
  3. Step 3: Cross multiply
    10,996.90x = 16,499.40 × 3,601.60
  4. Step 4: Simplify right side
    10,996.90x = 59,424,239.04
  5. Step 5: Solve for x
    x = 59,424,239.04/10,996.90
  6. Step 6: Final answer
    x = 5,403.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.