Home / 11,653.33-16,081.70-6,617.65

Finding the Fourth Proportional to 11,653.33, 16,081.70 and 6,617.65

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Solution

The fourth proportional to 11,653.33, 16,081.70 and 6,617.65 is: 9,132.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,653.33 : 16,081.70 = 6,617.65 : x
  2. Step 2: Convert to fraction form
    11,653.33/16,081.70 = 6,617.65/x
  3. Step 3: Cross multiply
    11,653.33x = 16,081.70 × 6,617.65
  4. Step 4: Simplify right side
    11,653.33x = 106,423,049.02
  5. Step 5: Solve for x
    x = 106,423,049.02/11,653.33
  6. Step 6: Final answer
    x = 9,132.42

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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.