Home / 11,615.46-16,029.36-6,310.35

Finding the Fourth Proportional to 11,615.46, 16,029.36 and 6,310.35

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Solution

The fourth proportional to 11,615.46, 16,029.36 and 6,310.35 is: 8,708.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,615.46 : 16,029.36 = 6,310.35 : x
  2. Step 2: Convert to fraction form
    11,615.46/16,029.36 = 6,310.35/x
  3. Step 3: Cross multiply
    11,615.46x = 16,029.36 × 6,310.35
  4. Step 4: Simplify right side
    11,615.46x = 101,150,871.88
  5. Step 5: Solve for x
    x = 101,150,871.88/11,615.46
  6. Step 6: Final answer
    x = 8,708.30

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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.