Home / 11,820.09-17,732.23-3,923.08

Finding the Fourth Proportional to 11,820.09, 17,732.23 and 3,923.08

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Solution

The fourth proportional to 11,820.09, 17,732.23 and 3,923.08 is: 5,885.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,820.09 : 17,732.23 = 3,923.08 : x
  2. Step 2: Convert to fraction form
    11,820.09/17,732.23 = 3,923.08/x
  3. Step 3: Cross multiply
    11,820.09x = 17,732.23 × 3,923.08
  4. Step 4: Simplify right side
    11,820.09x = 69,564,868.21
  5. Step 5: Solve for x
    x = 69,564,868.21/11,820.09
  6. Step 6: Final answer
    x = 5,885.31

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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.