Home / 12,011.37-18,017.05-6,164.25

Finding the Fourth Proportional to 12,011.37, 18,017.05 and 6,164.25

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Solution

The fourth proportional to 12,011.37, 18,017.05 and 6,164.25 is: 9,246.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,011.37 : 18,017.05 = 6,164.25 : x
  2. Step 2: Convert to fraction form
    12,011.37/18,017.05 = 6,164.25/x
  3. Step 3: Cross multiply
    12,011.37x = 18,017.05 × 6,164.25
  4. Step 4: Simplify right side
    12,011.37x = 111,061,600.46
  5. Step 5: Solve for x
    x = 111,061,600.46/12,011.37
  6. Step 6: Final answer
    x = 9,246.37

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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.