Home / 12,086.36-18,112.02-8,583.23

Finding the Fourth Proportional to 12,086.36, 18,112.02 and 8,583.23

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Solution

The fourth proportional to 12,086.36, 18,112.02 and 8,583.23 is: 12,862.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,086.36 : 18,112.02 = 8,583.23 : x
  2. Step 2: Convert to fraction form
    12,086.36/18,112.02 = 8,583.23/x
  3. Step 3: Cross multiply
    12,086.36x = 18,112.02 × 8,583.23
  4. Step 4: Simplify right side
    12,086.36x = 155,459,694.80
  5. Step 5: Solve for x
    x = 155,459,694.80/12,086.36
  6. Step 6: Final answer
    x = 12,862.40

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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.