Home / 11,929.08-16,468.92-7,956.84

Finding the Fourth Proportional to 11,929.08, 16,468.92 and 7,956.84

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Solution

The fourth proportional to 11,929.08, 16,468.92 and 7,956.84 is: 10,984.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,929.08 : 16,468.92 = 7,956.84 : x
  2. Step 2: Convert to fraction form
    11,929.08/16,468.92 = 7,956.84/x
  3. Step 3: Cross multiply
    11,929.08x = 16,468.92 × 7,956.84
  4. Step 4: Simplify right side
    11,929.08x = 131,040,561.41
  5. Step 5: Solve for x
    x = 131,040,561.41/11,929.08
  6. Step 6: Final answer
    x = 10,984.97

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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.