Home / 13,610.60-20,404.35-6,212.46

Finding the Fourth Proportional to 13,610.60, 20,404.35 and 6,212.46

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Solution

The fourth proportional to 13,610.60, 20,404.35 and 6,212.46 is: 9,313.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,610.60 : 20,404.35 = 6,212.46 : x
  2. Step 2: Convert to fraction form
    13,610.60/20,404.35 = 6,212.46/x
  3. Step 3: Cross multiply
    13,610.60x = 20,404.35 × 6,212.46
  4. Step 4: Simplify right side
    13,610.60x = 126,761,208.20
  5. Step 5: Solve for x
    x = 126,761,208.20/13,610.60
  6. Step 6: Final answer
    x = 9,313.42

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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.