Home / 11,964.20-16,533.36-8,974.84

Finding the Fourth Proportional to 11,964.20, 16,533.36 and 8,974.84

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Solution

The fourth proportional to 11,964.20, 16,533.36 and 8,974.84 is: 12,402.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,964.20 : 16,533.36 = 8,974.84 : x
  2. Step 2: Convert to fraction form
    11,964.20/16,533.36 = 8,974.84/x
  3. Step 3: Cross multiply
    11,964.20x = 16,533.36 × 8,974.84
  4. Step 4: Simplify right side
    11,964.20x = 148,384,314.98
  5. Step 5: Solve for x
    x = 148,384,314.98/11,964.20
  6. Step 6: Final answer
    x = 12,402.36

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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.