Home / 11,672.13-17,508.35-3,880.95

Finding the Fourth Proportional to 11,672.13, 17,508.35 and 3,880.95

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Solution

The fourth proportional to 11,672.13, 17,508.35 and 3,880.95 is: 5,821.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,672.13 : 17,508.35 = 3,880.95 : x
  2. Step 2: Convert to fraction form
    11,672.13/17,508.35 = 3,880.95/x
  3. Step 3: Cross multiply
    11,672.13x = 17,508.35 × 3,880.95
  4. Step 4: Simplify right side
    11,672.13x = 67,948,967.70
  5. Step 5: Solve for x
    x = 67,948,967.70/11,672.13
  6. Step 6: Final answer
    x = 5,821.47

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1.5x scale

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.