Home / 7,823.56-11,735.70-2,892.28

Finding the Fourth Proportional to 7,823.56, 11,735.70 and 2,892.28

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Solution

The fourth proportional to 7,823.56, 11,735.70 and 2,892.28 is: 4,338.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,823.56 : 11,735.70 = 2,892.28 : x
  2. Step 2: Convert to fraction form
    7,823.56/11,735.70 = 2,892.28/x
  3. Step 3: Cross multiply
    7,823.56x = 11,735.70 × 2,892.28
  4. Step 4: Simplify right side
    7,823.56x = 33,942,930.40
  5. Step 5: Solve for x
    x = 33,942,930.40/7,823.56
  6. Step 6: Final answer
    x = 4,338.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.