Home / 12,750.04-19,107.78-6,163.12

Finding the Fourth Proportional to 12,750.04, 19,107.78 and 6,163.12

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Solution

The fourth proportional to 12,750.04, 19,107.78 and 6,163.12 is: 9,236.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,750.04 : 19,107.78 = 6,163.12 : x
  2. Step 2: Convert to fraction form
    12,750.04/19,107.78 = 6,163.12/x
  3. Step 3: Cross multiply
    12,750.04x = 19,107.78 × 6,163.12
  4. Step 4: Simplify right side
    12,750.04x = 117,763,541.07
  5. Step 5: Solve for x
    x = 117,763,541.07/12,750.04
  6. Step 6: Final answer
    x = 9,236.33

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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.