Home / 11,930.87-16,476.85-8,941.97

Finding the Fourth Proportional to 11,930.87, 16,476.85 and 8,941.97

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Solution

The fourth proportional to 11,930.87, 16,476.85 and 8,941.97 is: 12,349.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,930.87 : 16,476.85 = 8,941.97 : x
  2. Step 2: Convert to fraction form
    11,930.87/16,476.85 = 8,941.97/x
  3. Step 3: Cross multiply
    11,930.87x = 16,476.85 × 8,941.97
  4. Step 4: Simplify right side
    11,930.87x = 147,335,550.76
  5. Step 5: Solve for x
    x = 147,335,550.76/11,930.87
  6. Step 6: Final answer
    x = 12,349.10

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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.