Home / 11,615.32-16,023.98-6,896.86

Finding the Fourth Proportional to 11,615.32, 16,023.98 and 6,896.86

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Solution

The fourth proportional to 11,615.32, 16,023.98 and 6,896.86 is: 9,514.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,615.32 : 16,023.98 = 6,896.86 : x
  2. Step 2: Convert to fraction form
    11,615.32/16,023.98 = 6,896.86/x
  3. Step 3: Cross multiply
    11,615.32x = 16,023.98 × 6,896.86
  4. Step 4: Simplify right side
    11,615.32x = 110,515,146.70
  5. Step 5: Solve for x
    x = 110,515,146.70/11,615.32
  6. Step 6: Final answer
    x = 9,514.60

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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.