Home / 11,531.85-17,286.21-4,502.19

Finding the Fourth Proportional to 11,531.85, 17,286.21 and 4,502.19

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Solution

The fourth proportional to 11,531.85, 17,286.21 and 4,502.19 is: 6,748.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,531.85 : 17,286.21 = 4,502.19 : x
  2. Step 2: Convert to fraction form
    11,531.85/17,286.21 = 4,502.19/x
  3. Step 3: Cross multiply
    11,531.85x = 17,286.21 × 4,502.19
  4. Step 4: Simplify right side
    11,531.85x = 77,825,801.80
  5. Step 5: Solve for x
    x = 77,825,801.80/11,531.85
  6. Step 6: Final answer
    x = 6,748.77

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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.