Home / 11,540.02-17,308.45-4,143.42

Finding the Fourth Proportional to 11,540.02, 17,308.45 and 4,143.42

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Solution

The fourth proportional to 11,540.02, 17,308.45 and 4,143.42 is: 6,214.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,540.02 : 17,308.45 = 4,143.42 : x
  2. Step 2: Convert to fraction form
    11,540.02/17,308.45 = 4,143.42/x
  3. Step 3: Cross multiply
    11,540.02x = 17,308.45 × 4,143.42
  4. Step 4: Simplify right side
    11,540.02x = 71,716,177.90
  5. Step 5: Solve for x
    x = 71,716,177.90/11,540.02
  6. Step 6: Final answer
    x = 6,214.56

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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.