Home / 8,453.36-11,665.32-4,727.12

Finding the Fourth Proportional to 8,453.36, 11,665.32 and 4,727.12

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Solution

The fourth proportional to 8,453.36, 11,665.32 and 4,727.12 is: 6,523.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,453.36 : 11,665.32 = 4,727.12 : x
  2. Step 2: Convert to fraction form
    8,453.36/11,665.32 = 4,727.12/x
  3. Step 3: Cross multiply
    8,453.36x = 11,665.32 × 4,727.12
  4. Step 4: Simplify right side
    8,453.36x = 55,143,367.48
  5. Step 5: Solve for x
    x = 55,143,367.48/8,453.36
  6. Step 6: Final answer
    x = 6,523.25

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Half 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.