Home / 12,166.08-16,789.12-6,576.96

Finding the Fourth Proportional to 12,166.08, 16,789.12 and 6,576.96

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Solution

The fourth proportional to 12,166.08, 16,789.12 and 6,576.96 is: 9,076.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,166.08 : 16,789.12 = 6,576.96 : x
  2. Step 2: Convert to fraction form
    12,166.08/16,789.12 = 6,576.96/x
  3. Step 3: Cross multiply
    12,166.08x = 16,789.12 × 6,576.96
  4. Step 4: Simplify right side
    12,166.08x = 110,421,370.68
  5. Step 5: Solve for x
    x = 110,421,370.68/12,166.08
  6. Step 6: Final answer
    x = 9,076.17

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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.