Home / 8,261.84-11,401.24-4,485.14

Finding the Fourth Proportional to 8,261.84, 11,401.24 and 4,485.14

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Solution

The fourth proportional to 8,261.84, 11,401.24 and 4,485.14 is: 6,189.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,261.84 : 11,401.24 = 4,485.14 : x
  2. Step 2: Convert to fraction form
    8,261.84/11,401.24 = 4,485.14/x
  3. Step 3: Cross multiply
    8,261.84x = 11,401.24 × 4,485.14
  4. Step 4: Simplify right side
    8,261.84x = 51,136,157.57
  5. Step 5: Solve for x
    x = 51,136,157.57/8,261.84
  6. Step 6: Final answer
    x = 6,189.44

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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.