Home / 11,615.81-16,029.77-6,310.58

Finding the Fourth Proportional to 11,615.81, 16,029.77 and 6,310.58

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Solution

The fourth proportional to 11,615.81, 16,029.77 and 6,310.58 is: 8,708.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,615.81 : 16,029.77 = 6,310.58 : x
  2. Step 2: Convert to fraction form
    11,615.81/16,029.77 = 6,310.58/x
  3. Step 3: Cross multiply
    11,615.81x = 16,029.77 × 6,310.58
  4. Step 4: Simplify right side
    11,615.81x = 101,157,121.67
  5. Step 5: Solve for x
    x = 101,157,121.67/11,615.81
  6. Step 6: Final answer
    x = 8,708.57

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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.