Home / 12,616.06-17,284.08-12,143.12

Finding the Fourth Proportional to 12,616.06, 17,284.08 and 12,143.12

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Solution

The fourth proportional to 12,616.06, 17,284.08 and 12,143.12 is: 16,636.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,616.06 : 17,284.08 = 12,143.12 : x
  2. Step 2: Convert to fraction form
    12,616.06/17,284.08 = 12,143.12/x
  3. Step 3: Cross multiply
    12,616.06x = 17,284.08 × 12,143.12
  4. Step 4: Simplify right side
    12,616.06x = 209,882,525.57
  5. Step 5: Solve for x
    x = 209,882,525.57/12,616.06
  6. Step 6: Final answer
    x = 16,636.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.