Home / 12,235.94-16,884.99-6,930.62

Finding the Fourth Proportional to 12,235.94, 16,884.99 and 6,930.62

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Solution

The fourth proportional to 12,235.94, 16,884.99 and 6,930.62 is: 9,563.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,235.94 : 16,884.99 = 6,930.62 : x
  2. Step 2: Convert to fraction form
    12,235.94/16,884.99 = 6,930.62/x
  3. Step 3: Cross multiply
    12,235.94x = 16,884.99 × 6,930.62
  4. Step 4: Simplify right side
    12,235.94x = 117,023,364.97
  5. Step 5: Solve for x
    x = 117,023,364.97/12,235.94
  6. Step 6: Final answer
    x = 9,563.91

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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.