Home / 11,742.51-17,613.72-2,977.39

Finding the Fourth Proportional to 11,742.51, 17,613.72 and 2,977.39

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Solution

The fourth proportional to 11,742.51, 17,613.72 and 2,977.39 is: 4,466.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,742.51 : 17,613.72 = 2,977.39 : x
  2. Step 2: Convert to fraction form
    11,742.51/17,613.72 = 2,977.39/x
  3. Step 3: Cross multiply
    11,742.51x = 17,613.72 × 2,977.39
  4. Step 4: Simplify right side
    11,742.51x = 52,442,913.79
  5. Step 5: Solve for x
    x = 52,442,913.79/11,742.51
  6. Step 6: Final answer
    x = 4,466.07

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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.