Home / 11,742.68-17,614.16-2,977.62

Finding the Fourth Proportional to 11,742.68, 17,614.16 and 2,977.62

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Solution

The fourth proportional to 11,742.68, 17,614.16 and 2,977.62 is: 4,466.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,742.68 : 17,614.16 = 2,977.62 : x
  2. Step 2: Convert to fraction form
    11,742.68/17,614.16 = 2,977.62/x
  3. Step 3: Cross multiply
    11,742.68x = 17,614.16 × 2,977.62
  4. Step 4: Simplify right side
    11,742.68x = 52,448,275.10
  5. Step 5: Solve for x
    x = 52,448,275.10/11,742.68
  6. Step 6: Final answer
    x = 4,466.47

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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.