Home / 10,861.55-16,291.84-2,964.04

Finding the Fourth Proportional to 10,861.55, 16,291.84 and 2,964.04

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Solution

The fourth proportional to 10,861.55, 16,291.84 and 2,964.04 is: 4,445.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,861.55 : 16,291.84 = 2,964.04 : x
  2. Step 2: Convert to fraction form
    10,861.55/16,291.84 = 2,964.04/x
  3. Step 3: Cross multiply
    10,861.55x = 16,291.84 × 2,964.04
  4. Step 4: Simplify right side
    10,861.55x = 48,289,710.72
  5. Step 5: Solve for x
    x = 48,289,710.72/10,861.55
  6. Step 6: Final answer
    x = 4,445.93

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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.