Home / 8,308.39-11,466.80-5,475.33

Finding the Fourth Proportional to 8,308.39, 11,466.80 and 5,475.33

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Solution

The fourth proportional to 8,308.39, 11,466.80 and 5,475.33 is: 7,556.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,308.39 : 11,466.80 = 5,475.33 : x
  2. Step 2: Convert to fraction form
    8,308.39/11,466.80 = 5,475.33/x
  3. Step 3: Cross multiply
    8,308.39x = 11,466.80 × 5,475.33
  4. Step 4: Simplify right side
    8,308.39x = 62,784,429.33
  5. Step 5: Solve for x
    x = 62,784,429.33/8,308.39
  6. Step 6: Final answer
    x = 7,556.75

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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.