Home / 12,317.27-16,997.45-6,728.27

Finding the Fourth Proportional to 12,317.27, 16,997.45 and 6,728.27

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Solution

The fourth proportional to 12,317.27, 16,997.45 and 6,728.27 is: 9,284.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,317.27 : 16,997.45 = 6,728.27 : x
  2. Step 2: Convert to fraction form
    12,317.27/16,997.45 = 6,728.27/x
  3. Step 3: Cross multiply
    12,317.27x = 16,997.45 × 6,728.27
  4. Step 4: Simplify right side
    12,317.27x = 114,363,314.28
  5. Step 5: Solve for x
    x = 114,363,314.28/12,317.27
  6. Step 6: Final answer
    x = 9,284.80

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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.