Home / 8,064.36-11,128.68-4,527.36

Finding the Fourth Proportional to 8,064.36, 11,128.68 and 4,527.36

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Solution

The fourth proportional to 8,064.36, 11,128.68 and 4,527.36 is: 6,247.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,064.36 : 11,128.68 = 4,527.36 : x
  2. Step 2: Convert to fraction form
    8,064.36/11,128.68 = 4,527.36/x
  3. Step 3: Cross multiply
    8,064.36x = 11,128.68 × 4,527.36
  4. Step 4: Simplify right side
    8,064.36x = 50,383,540.68
  5. Step 5: Solve for x
    x = 50,383,540.68/8,064.36
  6. Step 6: Final answer
    x = 6,247.68

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Half scale
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Double scale
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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.