Home / 10,996.98-16,478.19-7,661.94

Finding the Fourth Proportional to 10,996.98, 16,478.19 and 7,661.94

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Solution

The fourth proportional to 10,996.98, 16,478.19 and 7,661.94 is: 11,480.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,996.98 : 16,478.19 = 7,661.94 : x
  2. Step 2: Convert to fraction form
    10,996.98/16,478.19 = 7,661.94/x
  3. Step 3: Cross multiply
    10,996.98x = 16,478.19 × 7,661.94
  4. Step 4: Simplify right side
    10,996.98x = 126,254,903.09
  5. Step 5: Solve for x
    x = 126,254,903.09/10,996.98
  6. Step 6: Final answer
    x = 11,480.87

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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.