Home / 11,909.21-17,867.29-5,333.86

Finding the Fourth Proportional to 11,909.21, 17,867.29 and 5,333.86

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Solution

The fourth proportional to 11,909.21, 17,867.29 and 5,333.86 is: 8,002.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,909.21 : 17,867.29 = 5,333.86 : x
  2. Step 2: Convert to fraction form
    11,909.21/17,867.29 = 5,333.86/x
  3. Step 3: Cross multiply
    11,909.21x = 17,867.29 × 5,333.86
  4. Step 4: Simplify right side
    11,909.21x = 95,301,623.44
  5. Step 5: Solve for x
    x = 95,301,623.44/11,909.21
  6. Step 6: Final answer
    x = 8,002.35

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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.