Home / 6,516.39-8,993.34-3,684.90

Finding the Fourth Proportional to 6,516.39, 8,993.34 and 3,684.90

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Solution

The fourth proportional to 6,516.39, 8,993.34 and 3,684.90 is: 5,085.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,516.39 : 8,993.34 = 3,684.90 : x
  2. Step 2: Convert to fraction form
    6,516.39/8,993.34 = 3,684.90/x
  3. Step 3: Cross multiply
    6,516.39x = 8,993.34 × 3,684.90
  4. Step 4: Simplify right side
    6,516.39x = 33,139,558.57
  5. Step 5: Solve for x
    x = 33,139,558.57/6,516.39
  6. Step 6: Final answer
    x = 5,085.57

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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.