Home / 11,742.14-17,613.28-2,977.08

Finding the Fourth Proportional to 11,742.14, 17,613.28 and 2,977.08

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Solution

The fourth proportional to 11,742.14, 17,613.28 and 2,977.08 is: 4,465.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,742.14 : 17,613.28 = 2,977.08 : x
  2. Step 2: Convert to fraction form
    11,742.14/17,613.28 = 2,977.08/x
  3. Step 3: Cross multiply
    11,742.14x = 17,613.28 × 2,977.08
  4. Step 4: Simplify right side
    11,742.14x = 52,436,143.62
  5. Step 5: Solve for x
    x = 52,436,143.62/11,742.14
  6. Step 6: Final answer
    x = 4,465.64

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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.