Home / 10,091.38-13,928.27-6,367.54

Finding the Fourth Proportional to 10,091.38, 13,928.27 and 6,367.54

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Solution

The fourth proportional to 10,091.38, 13,928.27 and 6,367.54 is: 8,788.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,091.38 : 13,928.27 = 6,367.54 : x
  2. Step 2: Convert to fraction form
    10,091.38/13,928.27 = 6,367.54/x
  3. Step 3: Cross multiply
    10,091.38x = 13,928.27 × 6,367.54
  4. Step 4: Simplify right side
    10,091.38x = 88,688,816.36
  5. Step 5: Solve for x
    x = 88,688,816.36/10,091.38
  6. Step 6: Final answer
    x = 8,788.57

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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.