Home / 13,011.88-19,520.22-6,086.44

Finding the Fourth Proportional to 13,011.88, 19,520.22 and 6,086.44

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Solution

The fourth proportional to 13,011.88, 19,520.22 and 6,086.44 is: 9,130.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,011.88 : 19,520.22 = 6,086.44 : x
  2. Step 2: Convert to fraction form
    13,011.88/19,520.22 = 6,086.44/x
  3. Step 3: Cross multiply
    13,011.88x = 19,520.22 × 6,086.44
  4. Step 4: Simplify right side
    13,011.88x = 118,808,647.82
  5. Step 5: Solve for x
    x = 118,808,647.82/13,011.88
  6. Step 6: Final answer
    x = 9,130.78

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Similar ratio
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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.