Home / 11,090.28-15,305.94-6,374.56

Finding the Fourth Proportional to 11,090.28, 15,305.94 and 6,374.56

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Solution

The fourth proportional to 11,090.28, 15,305.94 and 6,374.56 is: 8,797.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,090.28 : 15,305.94 = 6,374.56 : x
  2. Step 2: Convert to fraction form
    11,090.28/15,305.94 = 6,374.56/x
  3. Step 3: Cross multiply
    11,090.28x = 15,305.94 × 6,374.56
  4. Step 4: Simplify right side
    11,090.28x = 97,568,632.89
  5. Step 5: Solve for x
    x = 97,568,632.89/11,090.28
  6. Step 6: Final answer
    x = 8,797.67

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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.