Home / 8,313.26-11,472.42-4,728.11

Finding the Fourth Proportional to 8,313.26, 11,472.42 and 4,728.11

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Solution

The fourth proportional to 8,313.26, 11,472.42 and 4,728.11 is: 6,524.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,313.26 : 11,472.42 = 4,728.11 : x
  2. Step 2: Convert to fraction form
    8,313.26/11,472.42 = 4,728.11/x
  3. Step 3: Cross multiply
    8,313.26x = 11,472.42 × 4,728.11
  4. Step 4: Simplify right side
    8,313.26x = 54,242,892.41
  5. Step 5: Solve for x
    x = 54,242,892.41/8,313.26
  6. Step 6: Final answer
    x = 6,524.87

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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.