Home / 12,316.75-16,997.16-6,727.75

Finding the Fourth Proportional to 12,316.75, 16,997.16 and 6,727.75

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Solution

The fourth proportional to 12,316.75, 16,997.16 and 6,727.75 is: 9,284.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,316.75 : 16,997.16 = 6,727.75 : x
  2. Step 2: Convert to fraction form
    12,316.75/16,997.16 = 6,727.75/x
  3. Step 3: Cross multiply
    12,316.75x = 16,997.16 × 6,727.75
  4. Step 4: Simplify right side
    12,316.75x = 114,352,643.19
  5. Step 5: Solve for x
    x = 114,352,643.19/12,316.75
  6. Step 6: Final answer
    x = 9,284.32

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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.