Home / 12,252.32-16,909.59-6,876.21

Finding the Fourth Proportional to 12,252.32, 16,909.59 and 6,876.21

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Solution

The fourth proportional to 12,252.32, 16,909.59 and 6,876.21 is: 9,489.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,252.32 : 16,909.59 = 6,876.21 : x
  2. Step 2: Convert to fraction form
    12,252.32/16,909.59 = 6,876.21/x
  3. Step 3: Cross multiply
    12,252.32x = 16,909.59 × 6,876.21
  4. Step 4: Simplify right side
    12,252.32x = 116,273,891.85
  5. Step 5: Solve for x
    x = 116,273,891.85/12,252.32
  6. Step 6: Final answer
    x = 9,489.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.