Home / 11,765.24-17,652.44-5,186.80

Finding the Fourth Proportional to 11,765.24, 17,652.44 and 5,186.80

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Solution

The fourth proportional to 11,765.24, 17,652.44 and 5,186.80 is: 7,782.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,765.24 : 17,652.44 = 5,186.80 : x
  2. Step 2: Convert to fraction form
    11,765.24/17,652.44 = 5,186.80/x
  3. Step 3: Cross multiply
    11,765.24x = 17,652.44 × 5,186.80
  4. Step 4: Simplify right side
    11,765.24x = 91,559,644.63
  5. Step 5: Solve for x
    x = 91,559,644.63/11,765.24
  6. Step 6: Final answer
    x = 7,782.22

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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.