Home / 11,742.66-17,613.99-2,977.56

Finding the Fourth Proportional to 11,742.66, 17,613.99 and 2,977.56

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Solution

The fourth proportional to 11,742.66, 17,613.99 and 2,977.56 is: 4,466.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,742.66 : 17,613.99 = 2,977.56 : x
  2. Step 2: Convert to fraction form
    11,742.66/17,613.99 = 2,977.56/x
  3. Step 3: Cross multiply
    11,742.66x = 17,613.99 × 2,977.56
  4. Step 4: Simplify right side
    11,742.66x = 52,446,712.06
  5. Step 5: Solve for x
    x = 52,446,712.06/11,742.66
  6. Step 6: Final answer
    x = 4,466.34

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1.5x scale

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.