Home / 11,701.05-16,147.58-6,395.99

Finding the Fourth Proportional to 11,701.05, 16,147.58 and 6,395.99

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Solution

The fourth proportional to 11,701.05, 16,147.58 and 6,395.99 is: 8,826.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,701.05 : 16,147.58 = 6,395.99 : x
  2. Step 2: Convert to fraction form
    11,701.05/16,147.58 = 6,395.99/x
  3. Step 3: Cross multiply
    11,701.05x = 16,147.58 × 6,395.99
  4. Step 4: Simplify right side
    11,701.05x = 103,279,647.49
  5. Step 5: Solve for x
    x = 103,279,647.49/11,701.05
  6. Step 6: Final answer
    x = 8,826.53

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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.