Home / 11,100.12-15,237.96-9,525.48

Finding the Fourth Proportional to 11,100.12, 15,237.96 and 9,525.48

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Solution

The fourth proportional to 11,100.12, 15,237.96 and 9,525.48 is: 13,076.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,100.12 : 15,237.96 = 9,525.48 : x
  2. Step 2: Convert to fraction form
    11,100.12/15,237.96 = 9,525.48/x
  3. Step 3: Cross multiply
    11,100.12x = 15,237.96 × 9,525.48
  4. Step 4: Simplify right side
    11,100.12x = 145,148,883.22
  5. Step 5: Solve for x
    x = 145,148,883.22/11,100.12
  6. Step 6: Final answer
    x = 13,076.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.