Home / 11,785.05-17,675.40-4,763.23

Finding the Fourth Proportional to 11,785.05, 17,675.40 and 4,763.23

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Solution

The fourth proportional to 11,785.05, 17,675.40 and 4,763.23 is: 7,143.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,785.05 : 17,675.40 = 4,763.23 : x
  2. Step 2: Convert to fraction form
    11,785.05/17,675.40 = 4,763.23/x
  3. Step 3: Cross multiply
    11,785.05x = 17,675.40 × 4,763.23
  4. Step 4: Simplify right side
    11,785.05x = 84,191,995.54
  5. Step 5: Solve for x
    x = 84,191,995.54/11,785.05
  6. Step 6: Final answer
    x = 7,143.97

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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.