Home / 11,860.69-17,788.30-4,465.90

Finding the Fourth Proportional to 11,860.69, 17,788.30 and 4,465.90

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Solution

The fourth proportional to 11,860.69, 17,788.30 and 4,465.90 is: 6,697.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,860.69 : 17,788.30 = 4,465.90 : x
  2. Step 2: Convert to fraction form
    11,860.69/17,788.30 = 4,465.90/x
  3. Step 3: Cross multiply
    11,860.69x = 17,788.30 × 4,465.90
  4. Step 4: Simplify right side
    11,860.69x = 79,440,768.97
  5. Step 5: Solve for x
    x = 79,440,768.97/11,860.69
  6. Step 6: Final answer
    x = 6,697.82

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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.