Home / 8,222.76-11,346.96-4,864.80

Finding the Fourth Proportional to 8,222.76, 11,346.96 and 4,864.80

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Solution

The fourth proportional to 8,222.76, 11,346.96 and 4,864.80 is: 6,713.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,222.76 : 11,346.96 = 4,864.80 : x
  2. Step 2: Convert to fraction form
    8,222.76/11,346.96 = 4,864.80/x
  3. Step 3: Cross multiply
    8,222.76x = 11,346.96 × 4,864.80
  4. Step 4: Simplify right side
    8,222.76x = 55,200,691.01
  5. Step 5: Solve for x
    x = 55,200,691.01/8,222.76
  6. Step 6: Final answer
    x = 6,713.16

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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.