Home / 11,265.28-16,900.86-4,245.37

Finding the Fourth Proportional to 11,265.28, 16,900.86 and 4,245.37

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Solution

The fourth proportional to 11,265.28, 16,900.86 and 4,245.37 is: 6,369.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,265.28 : 16,900.86 = 4,245.37 : x
  2. Step 2: Convert to fraction form
    11,265.28/16,900.86 = 4,245.37/x
  3. Step 3: Cross multiply
    11,265.28x = 16,900.86 × 4,245.37
  4. Step 4: Simplify right side
    11,265.28x = 71,750,404.02
  5. Step 5: Solve for x
    x = 71,750,404.02/11,265.28
  6. Step 6: Final answer
    x = 6,369.16

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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.