Home / 8,216.67-11,339.16-4,679.94

Finding the Fourth Proportional to 8,216.67, 11,339.16 and 4,679.94

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Solution

The fourth proportional to 8,216.67, 11,339.16 and 4,679.94 is: 6,458.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,216.67 : 11,339.16 = 4,679.94 : x
  2. Step 2: Convert to fraction form
    8,216.67/11,339.16 = 4,679.94/x
  3. Step 3: Cross multiply
    8,216.67x = 11,339.16 × 4,679.94
  4. Step 4: Simplify right side
    8,216.67x = 53,066,588.45
  5. Step 5: Solve for x
    x = 53,066,588.45/8,216.67
  6. Step 6: Final answer
    x = 6,458.41

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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.