Home / 10,181.75-15,261.48-5,244.80

Finding the Fourth Proportional to 10,181.75, 15,261.48 and 5,244.80

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Solution

The fourth proportional to 10,181.75, 15,261.48 and 5,244.80 is: 7,861.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,181.75 : 15,261.48 = 5,244.80 : x
  2. Step 2: Convert to fraction form
    10,181.75/15,261.48 = 5,244.80/x
  3. Step 3: Cross multiply
    10,181.75x = 15,261.48 × 5,244.80
  4. Step 4: Simplify right side
    10,181.75x = 80,043,334.00
  5. Step 5: Solve for x
    x = 80,043,334.00/10,181.75
  6. Step 6: Final answer
    x = 7,861.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.