Home / 8,816.99-12,168.02-6,163.43

Finding the Fourth Proportional to 8,816.99, 12,168.02 and 6,163.43

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Solution

The fourth proportional to 8,816.99, 12,168.02 and 6,163.43 is: 8,505.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,816.99 : 12,168.02 = 6,163.43 : x
  2. Step 2: Convert to fraction form
    8,816.99/12,168.02 = 6,163.43/x
  3. Step 3: Cross multiply
    8,816.99x = 12,168.02 × 6,163.43
  4. Step 4: Simplify right side
    8,816.99x = 74,996,694.08
  5. Step 5: Solve for x
    x = 74,996,694.08/8,816.99
  6. Step 6: Final answer
    x = 8,505.93

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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.