Home / 11,281.16-15,568.20-6,245.43

Finding the Fourth Proportional to 11,281.16, 15,568.20 and 6,245.43

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Solution

The fourth proportional to 11,281.16, 15,568.20 and 6,245.43 is: 8,618.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,281.16 : 15,568.20 = 6,245.43 : x
  2. Step 2: Convert to fraction form
    11,281.16/15,568.20 = 6,245.43/x
  3. Step 3: Cross multiply
    11,281.16x = 15,568.20 × 6,245.43
  4. Step 4: Simplify right side
    11,281.16x = 97,230,103.33
  5. Step 5: Solve for x
    x = 97,230,103.33/11,281.16
  6. Step 6: Final answer
    x = 8,618.81

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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.