Home / 8,283.77-11,416.83-5,757.78

Finding the Fourth Proportional to 8,283.77, 11,416.83 and 5,757.78

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Solution

The fourth proportional to 8,283.77, 11,416.83 and 5,757.78 is: 7,935.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,283.77 : 11,416.83 = 5,757.78 : x
  2. Step 2: Convert to fraction form
    8,283.77/11,416.83 = 5,757.78/x
  3. Step 3: Cross multiply
    8,283.77x = 11,416.83 × 5,757.78
  4. Step 4: Simplify right side
    8,283.77x = 65,735,595.44
  5. Step 5: Solve for x
    x = 65,735,595.44/8,283.77
  6. Step 6: Final answer
    x = 7,935.47

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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.