Home / 8,198.15-11,314.08-4,661.69

Finding the Fourth Proportional to 8,198.15, 11,314.08 and 4,661.69

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Solution

The fourth proportional to 8,198.15, 11,314.08 and 4,661.69 is: 6,433.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,198.15 : 11,314.08 = 4,661.69 : x
  2. Step 2: Convert to fraction form
    8,198.15/11,314.08 = 4,661.69/x
  3. Step 3: Cross multiply
    8,198.15x = 11,314.08 × 4,661.69
  4. Step 4: Simplify right side
    8,198.15x = 52,742,677.02
  5. Step 5: Solve for x
    x = 52,742,677.02/8,198.15
  6. Step 6: Final answer
    x = 6,433.49

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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.