Home / 11,928.49-16,462.30-6,623.65

Finding the Fourth Proportional to 11,928.49, 16,462.30 and 6,623.65

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Solution

The fourth proportional to 11,928.49, 16,462.30 and 6,623.65 is: 9,141.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,928.49 : 16,462.30 = 6,623.65 : x
  2. Step 2: Convert to fraction form
    11,928.49/16,462.30 = 6,623.65/x
  3. Step 3: Cross multiply
    11,928.49x = 16,462.30 × 6,623.65
  4. Step 4: Simplify right side
    11,928.49x = 109,040,492.85
  5. Step 5: Solve for x
    x = 109,040,492.85/11,928.49
  6. Step 6: Final answer
    x = 9,141.18

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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.