Home / 11,516.81-17,271.78-4,941.42

Finding the Fourth Proportional to 11,516.81, 17,271.78 and 4,941.42

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Solution

The fourth proportional to 11,516.81, 17,271.78 and 4,941.42 is: 7,410.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,516.81 : 17,271.78 = 4,941.42 : x
  2. Step 2: Convert to fraction form
    11,516.81/17,271.78 = 4,941.42/x
  3. Step 3: Cross multiply
    11,516.81x = 17,271.78 × 4,941.42
  4. Step 4: Simplify right side
    11,516.81x = 85,347,119.13
  5. Step 5: Solve for x
    x = 85,347,119.13/11,516.81
  6. Step 6: Final answer
    x = 7,410.66

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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.