Home / 10,745.58-16,119.14-4,499.30

Finding the Fourth Proportional to 10,745.58, 16,119.14 and 4,499.30

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Solution

The fourth proportional to 10,745.58, 16,119.14 and 4,499.30 is: 6,749.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,745.58 : 16,119.14 = 4,499.30 : x
  2. Step 2: Convert to fraction form
    10,745.58/16,119.14 = 4,499.30/x
  3. Step 3: Cross multiply
    10,745.58x = 16,119.14 × 4,499.30
  4. Step 4: Simplify right side
    10,745.58x = 72,524,846.60
  5. Step 5: Solve for x
    x = 72,524,846.60/10,745.58
  6. Step 6: Final answer
    x = 6,749.27

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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.