Home / 11,040.37-15,240.77-7,412.52

Finding the Fourth Proportional to 11,040.37, 15,240.77 and 7,412.52

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Solution

The fourth proportional to 11,040.37, 15,240.77 and 7,412.52 is: 10,232.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,040.37 : 15,240.77 = 7,412.52 : x
  2. Step 2: Convert to fraction form
    11,040.37/15,240.77 = 7,412.52/x
  3. Step 3: Cross multiply
    11,040.37x = 15,240.77 × 7,412.52
  4. Step 4: Simplify right side
    11,040.37x = 112,972,512.44
  5. Step 5: Solve for x
    x = 112,972,512.44/11,040.37
  6. Step 6: Final answer
    x = 10,232.67

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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.