Home / 11,317.98-16,976.79-4,653.12

Finding the Fourth Proportional to 11,317.98, 16,976.79 and 4,653.12

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Solution

The fourth proportional to 11,317.98, 16,976.79 and 4,653.12 is: 6,979.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,317.98 : 16,976.79 = 4,653.12 : x
  2. Step 2: Convert to fraction form
    11,317.98/16,976.79 = 4,653.12/x
  3. Step 3: Cross multiply
    11,317.98x = 16,976.79 × 4,653.12
  4. Step 4: Simplify right side
    11,317.98x = 78,995,041.08
  5. Step 5: Solve for x
    x = 78,995,041.08/11,317.98
  6. Step 6: Final answer
    x = 6,979.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.