Home / 11,614.28-17,421.51-3,716.86

Finding the Fourth Proportional to 11,614.28, 17,421.51 and 3,716.86

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Solution

The fourth proportional to 11,614.28, 17,421.51 and 3,716.86 is: 5,575.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,614.28 : 17,421.51 = 3,716.86 : x
  2. Step 2: Convert to fraction form
    11,614.28/17,421.51 = 3,716.86/x
  3. Step 3: Cross multiply
    11,614.28x = 17,421.51 × 3,716.86
  4. Step 4: Simplify right side
    11,614.28x = 64,753,270.10
  5. Step 5: Solve for x
    x = 64,753,270.10/11,614.28
  6. Step 6: Final answer
    x = 5,575.32

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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.