Home / 11,247.16-15,521.37-6,211.45

Finding the Fourth Proportional to 11,247.16, 15,521.37 and 6,211.45

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Solution

The fourth proportional to 11,247.16, 15,521.37 and 6,211.45 is: 8,571.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,247.16 : 15,521.37 = 6,211.45 : x
  2. Step 2: Convert to fraction form
    11,247.16/15,521.37 = 6,211.45/x
  3. Step 3: Cross multiply
    11,247.16x = 15,521.37 × 6,211.45
  4. Step 4: Simplify right side
    11,247.16x = 96,410,213.69
  5. Step 5: Solve for x
    x = 96,410,213.69/11,247.16
  6. Step 6: Final answer
    x = 8,571.96

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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.