Home / 8,222.72-11,347.36-4,496.72

Finding the Fourth Proportional to 8,222.72, 11,347.36 and 4,496.72

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Solution

The fourth proportional to 8,222.72, 11,347.36 and 4,496.72 is: 6,205.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,222.72 : 11,347.36 = 4,496.72 : x
  2. Step 2: Convert to fraction form
    8,222.72/11,347.36 = 4,496.72/x
  3. Step 3: Cross multiply
    8,222.72x = 11,347.36 × 4,496.72
  4. Step 4: Simplify right side
    8,222.72x = 51,025,900.66
  5. Step 5: Solve for x
    x = 51,025,900.66/8,222.72
  6. Step 6: Final answer
    x = 6,205.48

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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.