Home / 10,964.65-16,440.90-4,723.60

Finding the Fourth Proportional to 10,964.65, 16,440.90 and 4,723.60

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Solution

The fourth proportional to 10,964.65, 16,440.90 and 4,723.60 is: 7,082.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,964.65 : 16,440.90 = 4,723.60 : x
  2. Step 2: Convert to fraction form
    10,964.65/16,440.90 = 4,723.60/x
  3. Step 3: Cross multiply
    10,964.65x = 16,440.90 × 4,723.60
  4. Step 4: Simplify right side
    10,964.65x = 77,660,235.24
  5. Step 5: Solve for x
    x = 77,660,235.24/10,964.65
  6. Step 6: Final answer
    x = 7,082.78

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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.