Home / 10,964.13-16,438.97-3,940.62

Finding the Fourth Proportional to 10,964.13, 16,438.97 and 3,940.62

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Solution

The fourth proportional to 10,964.13, 16,438.97 and 3,940.62 is: 5,908.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,964.13 : 16,438.97 = 3,940.62 : x
  2. Step 2: Convert to fraction form
    10,964.13/16,438.97 = 3,940.62/x
  3. Step 3: Cross multiply
    10,964.13x = 16,438.97 × 3,940.62
  4. Step 4: Simplify right side
    10,964.13x = 64,779,714.26
  5. Step 5: Solve for x
    x = 64,779,714.26/10,964.13
  6. Step 6: Final answer
    x = 5,908.33

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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.