Home / 8,241.44-11,374.68-5,258.20

Finding the Fourth Proportional to 8,241.44, 11,374.68 and 5,258.20

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Solution

The fourth proportional to 8,241.44, 11,374.68 and 5,258.20 is: 7,257.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,241.44 : 11,374.68 = 5,258.20 : x
  2. Step 2: Convert to fraction form
    8,241.44/11,374.68 = 5,258.20/x
  3. Step 3: Cross multiply
    8,241.44x = 11,374.68 × 5,258.20
  4. Step 4: Simplify right side
    8,241.44x = 59,810,342.38
  5. Step 5: Solve for x
    x = 59,810,342.38/8,241.44
  6. Step 6: Final answer
    x = 7,257.27

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Half scale
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Double scale
Find fourth proportional to 8,242.44, 11,376.06 and 5,259.20
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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.