Home / 11,176.30-16,764.45-9,912.70

Finding the Fourth Proportional to 11,176.30, 16,764.45 and 9,912.70

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Solution

The fourth proportional to 11,176.30, 16,764.45 and 9,912.70 is: 14,869.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,176.30 : 16,764.45 = 9,912.70 : x
  2. Step 2: Convert to fraction form
    11,176.30/16,764.45 = 9,912.70/x
  3. Step 3: Cross multiply
    11,176.30x = 16,764.45 × 9,912.70
  4. Step 4: Simplify right side
    11,176.30x = 166,180,963.52
  5. Step 5: Solve for x
    x = 166,180,963.52/11,176.30
  6. Step 6: Final answer
    x = 14,869.05

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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.