Home / 12,098.94-18,140.11-6,164.34

Finding the Fourth Proportional to 12,098.94, 18,140.11 and 6,164.34

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Solution

The fourth proportional to 12,098.94, 18,140.11 and 6,164.34 is: 9,242.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,098.94 : 18,140.11 = 6,164.34 : x
  2. Step 2: Convert to fraction form
    12,098.94/18,140.11 = 6,164.34/x
  3. Step 3: Cross multiply
    12,098.94x = 18,140.11 × 6,164.34
  4. Step 4: Simplify right side
    12,098.94x = 111,821,805.68
  5. Step 5: Solve for x
    x = 111,821,805.68/12,098.94
  6. Step 6: Final answer
    x = 9,242.28

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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.