Home / 27,667.60-41,501.40-6,891.10

Finding the Fourth Proportional to 27,667.60, 41,501.40 and 6,891.10

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Solution

The fourth proportional to 27,667.60, 41,501.40 and 6,891.10 is: 10,336.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,667.60 : 41,501.40 = 6,891.10 : x
  2. Step 2: Convert to fraction form
    27,667.60/41,501.40 = 6,891.10/x
  3. Step 3: Cross multiply
    27,667.60x = 41,501.40 × 6,891.10
  4. Step 4: Simplify right side
    27,667.60x = 285,990,297.54
  5. Step 5: Solve for x
    x = 285,990,297.54/27,667.60
  6. Step 6: Final answer
    x = 10,336.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.