Home / 8,282.49-11,429.83-4,747.75

Finding the Fourth Proportional to 8,282.49, 11,429.83 and 4,747.75

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Solution

The fourth proportional to 8,282.49, 11,429.83 and 4,747.75 is: 6,551.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,282.49 : 11,429.83 = 4,747.75 : x
  2. Step 2: Convert to fraction form
    8,282.49/11,429.83 = 4,747.75/x
  3. Step 3: Cross multiply
    8,282.49x = 11,429.83 × 4,747.75
  4. Step 4: Simplify right side
    8,282.49x = 54,265,995.60
  5. Step 5: Solve for x
    x = 54,265,995.60/8,282.49
  6. Step 6: Final answer
    x = 6,551.89

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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.