Home / 11,116.60-16,674.90-6,961.30

Finding the Fourth Proportional to 11,116.60, 16,674.90 and 6,961.30

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Solution

The fourth proportional to 11,116.60, 16,674.90 and 6,961.30 is: 10,441.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,116.60 : 16,674.90 = 6,961.30 : x
  2. Step 2: Convert to fraction form
    11,116.60/16,674.90 = 6,961.30/x
  3. Step 3: Cross multiply
    11,116.60x = 16,674.90 × 6,961.30
  4. Step 4: Simplify right side
    11,116.60x = 116,078,981.37
  5. Step 5: Solve for x
    x = 116,078,981.37/11,116.60
  6. Step 6: Final answer
    x = 10,441.95

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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.