Home / 11,785.40-17,675.94-4,765.04

Finding the Fourth Proportional to 11,785.40, 17,675.94 and 4,765.04

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Solution

The fourth proportional to 11,785.40, 17,675.94 and 4,765.04 is: 7,146.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,785.40 : 17,675.94 = 4,765.04 : x
  2. Step 2: Convert to fraction form
    11,785.40/17,675.94 = 4,765.04/x
  3. Step 3: Cross multiply
    11,785.40x = 17,675.94 × 4,765.04
  4. Step 4: Simplify right side
    11,785.40x = 84,226,561.14
  5. Step 5: Solve for x
    x = 84,226,561.14/11,785.40
  6. Step 6: Final answer
    x = 7,146.69

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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.