Home / 9,788.20-14,682-2,392.68

Finding the Fourth Proportional to 9,788.20, 14,682 and 2,392.68

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Solution

The fourth proportional to 9,788.20, 14,682 and 2,392.68 is: 3,588.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,788.20 : 14,682 = 2,392.68 : x
  2. Step 2: Convert to fraction form
    9,788.20/14,682 = 2,392.68/x
  3. Step 3: Cross multiply
    9,788.20x = 14,682 × 2,392.68
  4. Step 4: Simplify right side
    9,788.20x = 35,129,327.76
  5. Step 5: Solve for x
    x = 35,129,327.76/9,788.20
  6. Step 6: Final answer
    x = 3,588.95

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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.