Home / 11,406.44-15,740.88-6,370.67

Finding the Fourth Proportional to 11,406.44, 15,740.88 and 6,370.67

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Solution

The fourth proportional to 11,406.44, 15,740.88 and 6,370.67 is: 8,791.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,406.44 : 15,740.88 = 6,370.67 : x
  2. Step 2: Convert to fraction form
    11,406.44/15,740.88 = 6,370.67/x
  3. Step 3: Cross multiply
    11,406.44x = 15,740.88 × 6,370.67
  4. Step 4: Simplify right side
    11,406.44x = 100,279,914.74
  5. Step 5: Solve for x
    x = 100,279,914.74/11,406.44
  6. Step 6: Final answer
    x = 8,791.52

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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.