Home / 8,846.08-12,205.49-5,616.81

Finding the Fourth Proportional to 8,846.08, 12,205.49 and 5,616.81

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Solution

The fourth proportional to 8,846.08, 12,205.49 and 5,616.81 is: 7,749.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,846.08 : 12,205.49 = 5,616.81 : x
  2. Step 2: Convert to fraction form
    8,846.08/12,205.49 = 5,616.81/x
  3. Step 3: Cross multiply
    8,846.08x = 12,205.49 × 5,616.81
  4. Step 4: Simplify right side
    8,846.08x = 68,555,890.20
  5. Step 5: Solve for x
    x = 68,555,890.20/8,846.08
  6. Step 6: Final answer
    x = 7,749.86

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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.