Home / 11,622.13-17,433.04-2,857.12

Finding the Fourth Proportional to 11,622.13, 17,433.04 and 2,857.12

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Solution

The fourth proportional to 11,622.13, 17,433.04 and 2,857.12 is: 4,285.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,622.13 : 17,433.04 = 2,857.12 : x
  2. Step 2: Convert to fraction form
    11,622.13/17,433.04 = 2,857.12/x
  3. Step 3: Cross multiply
    11,622.13x = 17,433.04 × 2,857.12
  4. Step 4: Simplify right side
    11,622.13x = 49,808,287.24
  5. Step 5: Solve for x
    x = 49,808,287.24/11,622.13
  6. Step 6: Final answer
    x = 4,285.64

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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.