Home / 6,853.76-9,458.20-3,709.96

Finding the Fourth Proportional to 6,853.76, 9,458.20 and 3,709.96

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Solution

The fourth proportional to 6,853.76, 9,458.20 and 3,709.96 is: 5,119.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,853.76 : 9,458.20 = 3,709.96 : x
  2. Step 2: Convert to fraction form
    6,853.76/9,458.20 = 3,709.96/x
  3. Step 3: Cross multiply
    6,853.76x = 9,458.20 × 3,709.96
  4. Step 4: Simplify right side
    6,853.76x = 35,089,543.67
  5. Step 5: Solve for x
    x = 35,089,543.67/6,853.76
  6. Step 6: Final answer
    x = 5,119.75

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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.