Home / 11,615.93-17,423.33-3,610.64

Finding the Fourth Proportional to 11,615.93, 17,423.33 and 3,610.64

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Solution

The fourth proportional to 11,615.93, 17,423.33 and 3,610.64 is: 5,415.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,615.93 : 17,423.33 = 3,610.64 : x
  2. Step 2: Convert to fraction form
    11,615.93/17,423.33 = 3,610.64/x
  3. Step 3: Cross multiply
    11,615.93x = 17,423.33 × 3,610.64
  4. Step 4: Simplify right side
    11,615.93x = 62,909,334.39
  5. Step 5: Solve for x
    x = 62,909,334.39/11,615.93
  6. Step 6: Final answer
    x = 5,415.78

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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.