Home / 11,742.43-17,613.30-4,720.27

Finding the Fourth Proportional to 11,742.43, 17,613.30 and 4,720.27

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Solution

The fourth proportional to 11,742.43, 17,613.30 and 4,720.27 is: 7,080.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,742.43 : 17,613.30 = 4,720.27 : x
  2. Step 2: Convert to fraction form
    11,742.43/17,613.30 = 4,720.27/x
  3. Step 3: Cross multiply
    11,742.43x = 17,613.30 × 4,720.27
  4. Step 4: Simplify right side
    11,742.43x = 83,139,531.59
  5. Step 5: Solve for x
    x = 83,139,531.59/11,742.43
  6. Step 6: Final answer
    x = 7,080.27

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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.