Home / 11,964.90-16,507.13-11,946.45

Finding the Fourth Proportional to 11,964.90, 16,507.13 and 11,946.45

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Solution

The fourth proportional to 11,964.90, 16,507.13 and 11,946.45 is: 16,481.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,964.90 : 16,507.13 = 11,946.45 : x
  2. Step 2: Convert to fraction form
    11,964.90/16,507.13 = 11,946.45/x
  3. Step 3: Cross multiply
    11,964.90x = 16,507.13 × 11,946.45
  4. Step 4: Simplify right side
    11,964.90x = 197,201,520.65
  5. Step 5: Solve for x
    x = 197,201,520.65/11,964.90
  6. Step 6: Final answer
    x = 16,481.67

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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.