Home / 8,222.33-11,346.79-4,685.57

Finding the Fourth Proportional to 8,222.33, 11,346.79 and 4,685.57

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Solution

The fourth proportional to 8,222.33, 11,346.79 and 4,685.57 is: 6,466.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,222.33 : 11,346.79 = 4,685.57 : x
  2. Step 2: Convert to fraction form
    8,222.33/11,346.79 = 4,685.57/x
  3. Step 3: Cross multiply
    8,222.33x = 11,346.79 × 4,685.57
  4. Step 4: Simplify right side
    8,222.33x = 53,166,178.82
  5. Step 5: Solve for x
    x = 53,166,178.82/8,222.33
  6. Step 6: Final answer
    x = 6,466.07

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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.