Home / 11,742.26-17,613.34-2,977.16

Finding the Fourth Proportional to 11,742.26, 17,613.34 and 2,977.16

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Solution

The fourth proportional to 11,742.26, 17,613.34 and 2,977.16 is: 4,465.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,742.26 : 17,613.34 = 2,977.16 : x
  2. Step 2: Convert to fraction form
    11,742.26/17,613.34 = 2,977.16/x
  3. Step 3: Cross multiply
    11,742.26x = 17,613.34 × 2,977.16
  4. Step 4: Simplify right side
    11,742.26x = 52,437,635.80
  5. Step 5: Solve for x
    x = 52,437,635.80/11,742.26
  6. Step 6: Final answer
    x = 4,465.72

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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.