Home / 11,040.12-15,236.16-6,324.60

Finding the Fourth Proportional to 11,040.12, 15,236.16 and 6,324.60

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Solution

The fourth proportional to 11,040.12, 15,236.16 and 6,324.60 is: 8,728.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,040.12 : 15,236.16 = 6,324.60 : x
  2. Step 2: Convert to fraction form
    11,040.12/15,236.16 = 6,324.60/x
  3. Step 3: Cross multiply
    11,040.12x = 15,236.16 × 6,324.60
  4. Step 4: Simplify right side
    11,040.12x = 96,362,617.54
  5. Step 5: Solve for x
    x = 96,362,617.54/11,040.12
  6. Step 6: Final answer
    x = 8,728.40

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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.