Home / 11,546.64-15,933.72-6,511.68

Finding the Fourth Proportional to 11,546.64, 15,933.72 and 6,511.68

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Solution

The fourth proportional to 11,546.64, 15,933.72 and 6,511.68 is: 8,985.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,546.64 : 15,933.72 = 6,511.68 : x
  2. Step 2: Convert to fraction form
    11,546.64/15,933.72 = 6,511.68/x
  3. Step 3: Cross multiply
    11,546.64x = 15,933.72 × 6,511.68
  4. Step 4: Simplify right side
    11,546.64x = 103,755,285.85
  5. Step 5: Solve for x
    x = 103,755,285.85/11,546.64
  6. Step 6: Final answer
    x = 8,985.76

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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.