Home / 12,257.16-16,914.75-6,668.16

Finding the Fourth Proportional to 12,257.16, 16,914.75 and 6,668.16

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Solution

The fourth proportional to 12,257.16, 16,914.75 and 6,668.16 is: 9,201.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,257.16 : 16,914.75 = 6,668.16 : x
  2. Step 2: Convert to fraction form
    12,257.16/16,914.75 = 6,668.16/x
  3. Step 3: Cross multiply
    12,257.16x = 16,914.75 × 6,668.16
  4. Step 4: Simplify right side
    12,257.16x = 112,790,259.36
  5. Step 5: Solve for x
    x = 112,790,259.36/12,257.16
  6. Step 6: Final answer
    x = 9,201.99

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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.