Home / 12,493.08-17,263.30-11,885.80

Finding the Fourth Proportional to 12,493.08, 17,263.30 and 11,885.80

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Solution

The fourth proportional to 12,493.08, 17,263.30 and 11,885.80 is: 16,424.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,493.08 : 17,263.30 = 11,885.80 : x
  2. Step 2: Convert to fraction form
    12,493.08/17,263.30 = 11,885.80/x
  3. Step 3: Cross multiply
    12,493.08x = 17,263.30 × 11,885.80
  4. Step 4: Simplify right side
    12,493.08x = 205,188,131.14
  5. Step 5: Solve for x
    x = 205,188,131.14/12,493.08
  6. Step 6: Final answer
    x = 16,424.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.