Home / 11,615.16-17,421.36-3,295.92

Finding the Fourth Proportional to 11,615.16, 17,421.36 and 3,295.92

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Solution

The fourth proportional to 11,615.16, 17,421.36 and 3,295.92 is: 4,943.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,615.16 : 17,421.36 = 3,295.92 : x
  2. Step 2: Convert to fraction form
    11,615.16/17,421.36 = 3,295.92/x
  3. Step 3: Cross multiply
    11,615.16x = 17,421.36 × 3,295.92
  4. Step 4: Simplify right side
    11,615.16x = 57,419,408.85
  5. Step 5: Solve for x
    x = 57,419,408.85/11,615.16
  6. Step 6: Final answer
    x = 4,943.49

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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.