Home / 10,764.04-16,143.21-2,971.03

Finding the Fourth Proportional to 10,764.04, 16,143.21 and 2,971.03

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Solution

The fourth proportional to 10,764.04, 16,143.21 and 2,971.03 is: 4,455.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,764.04 : 16,143.21 = 2,971.03 : x
  2. Step 2: Convert to fraction form
    10,764.04/16,143.21 = 2,971.03/x
  3. Step 3: Cross multiply
    10,764.04x = 16,143.21 × 2,971.03
  4. Step 4: Simplify right side
    10,764.04x = 47,961,961.21
  5. Step 5: Solve for x
    x = 47,961,961.21/10,764.04
  6. Step 6: Final answer
    x = 4,455.76

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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.