Home / 11,309.49-16,962.35-3,517.70

Finding the Fourth Proportional to 11,309.49, 16,962.35 and 3,517.70

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Solution

The fourth proportional to 11,309.49, 16,962.35 and 3,517.70 is: 5,275.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,309.49 : 16,962.35 = 3,517.70 : x
  2. Step 2: Convert to fraction form
    11,309.49/16,962.35 = 3,517.70/x
  3. Step 3: Cross multiply
    11,309.49x = 16,962.35 × 3,517.70
  4. Step 4: Simplify right side
    11,309.49x = 59,668,356.19
  5. Step 5: Solve for x
    x = 59,668,356.19/11,309.49
  6. Step 6: Final answer
    x = 5,275.95

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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.