Home / 12,036.21-18,047.70-3,713.94

Finding the Fourth Proportional to 12,036.21, 18,047.70 and 3,713.94

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Solution

The fourth proportional to 12,036.21, 18,047.70 and 3,713.94 is: 5,568.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,036.21 : 18,047.70 = 3,713.94 : x
  2. Step 2: Convert to fraction form
    12,036.21/18,047.70 = 3,713.94/x
  3. Step 3: Cross multiply
    12,036.21x = 18,047.70 × 3,713.94
  4. Step 4: Simplify right side
    12,036.21x = 67,028,074.94
  5. Step 5: Solve for x
    x = 67,028,074.94/12,036.21
  6. Step 6: Final answer
    x = 5,568.87

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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.