Home / 12,262.08-16,921.60-6,672.96

Finding the Fourth Proportional to 12,262.08, 16,921.60 and 6,672.96

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Solution

The fourth proportional to 12,262.08, 16,921.60 and 6,672.96 is: 9,208.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,262.08 : 16,921.60 = 6,672.96 : x
  2. Step 2: Convert to fraction form
    12,262.08/16,921.60 = 6,672.96/x
  3. Step 3: Cross multiply
    12,262.08x = 16,921.60 × 6,672.96
  4. Step 4: Simplify right side
    12,262.08x = 112,917,159.94
  5. Step 5: Solve for x
    x = 112,917,159.94/12,262.08
  6. Step 6: Final answer
    x = 9,208.65

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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.