Home / 7,684.61-11,526.86-2,137.95

Finding the Fourth Proportional to 7,684.61, 11,526.86 and 2,137.95

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Solution

The fourth proportional to 7,684.61, 11,526.86 and 2,137.95 is: 3,206.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,684.61 : 11,526.86 = 2,137.95 : x
  2. Step 2: Convert to fraction form
    7,684.61/11,526.86 = 2,137.95/x
  3. Step 3: Cross multiply
    7,684.61x = 11,526.86 × 2,137.95
  4. Step 4: Simplify right side
    7,684.61x = 24,643,855.68
  5. Step 5: Solve for x
    x = 24,643,855.68/7,684.61
  6. Step 6: Final answer
    x = 3,206.91

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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.