Home / 11,613.20-16,027.52-6,577.76

Finding the Fourth Proportional to 11,613.20, 16,027.52 and 6,577.76

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Solution

The fourth proportional to 11,613.20, 16,027.52 and 6,577.76 is: 9,078.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,613.20 : 16,027.52 = 6,577.76 : x
  2. Step 2: Convert to fraction form
    11,613.20/16,027.52 = 6,577.76/x
  3. Step 3: Cross multiply
    11,613.20x = 16,027.52 × 6,577.76
  4. Step 4: Simplify right side
    11,613.20x = 105,425,179.96
  5. Step 5: Solve for x
    x = 105,425,179.96/11,613.20
  6. Step 6: Final answer
    x = 9,078.05

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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.