Home / 8,142.25-11,236.31-4,416.25

Finding the Fourth Proportional to 8,142.25, 11,236.31 and 4,416.25

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Solution

The fourth proportional to 8,142.25, 11,236.31 and 4,416.25 is: 6,094.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,142.25 : 11,236.31 = 4,416.25 : x
  2. Step 2: Convert to fraction form
    8,142.25/11,236.31 = 4,416.25/x
  3. Step 3: Cross multiply
    8,142.25x = 11,236.31 × 4,416.25
  4. Step 4: Simplify right side
    8,142.25x = 49,622,354.04
  5. Step 5: Solve for x
    x = 49,622,354.04/8,142.25
  6. Step 6: Final answer
    x = 6,094.43

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Half scale
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Double scale
Find fourth proportional to 8,143.25, 11,237.69 and 4,417.25
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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.