Home / 10,697.06-16,040.99-3,677.78

Finding the Fourth Proportional to 10,697.06, 16,040.99 and 3,677.78

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Solution

The fourth proportional to 10,697.06, 16,040.99 and 3,677.78 is: 5,515.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,697.06 : 16,040.99 = 3,677.78 : x
  2. Step 2: Convert to fraction form
    10,697.06/16,040.99 = 3,677.78/x
  3. Step 3: Cross multiply
    10,697.06x = 16,040.99 × 3,677.78
  4. Step 4: Simplify right side
    10,697.06x = 58,995,232.20
  5. Step 5: Solve for x
    x = 58,995,232.20/10,697.06
  6. Step 6: Final answer
    x = 5,515.09

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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.