Home / 8,200.38-11,317.48-4,664.12

Finding the Fourth Proportional to 8,200.38, 11,317.48 and 4,664.12

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Solution

The fourth proportional to 8,200.38, 11,317.48 and 4,664.12 is: 6,437.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,200.38 : 11,317.48 = 4,664.12 : x
  2. Step 2: Convert to fraction form
    8,200.38/11,317.48 = 4,664.12/x
  3. Step 3: Cross multiply
    8,200.38x = 11,317.48 × 4,664.12
  4. Step 4: Simplify right side
    8,200.38x = 52,786,084.82
  5. Step 5: Solve for x
    x = 52,786,084.82/8,200.38
  6. Step 6: Final answer
    x = 6,437.03

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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.