Home / 9,790.20-14,685-2,394.68

Finding the Fourth Proportional to 9,790.20, 14,685 and 2,394.68

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Solution

The fourth proportional to 9,790.20, 14,685 and 2,394.68 is: 3,591.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,790.20 : 14,685 = 2,394.68 : x
  2. Step 2: Convert to fraction form
    9,790.20/14,685 = 2,394.68/x
  3. Step 3: Cross multiply
    9,790.20x = 14,685 × 2,394.68
  4. Step 4: Simplify right side
    9,790.20x = 35,165,875.80
  5. Step 5: Solve for x
    x = 35,165,875.80/9,790.20
  6. Step 6: Final answer
    x = 3,591.95

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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.