Home / 12,463.12-17,198.50-7,427.23

Finding the Fourth Proportional to 12,463.12, 17,198.50 and 7,427.23

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Solution

The fourth proportional to 12,463.12, 17,198.50 and 7,427.23 is: 10,249.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,463.12 : 17,198.50 = 7,427.23 : x
  2. Step 2: Convert to fraction form
    12,463.12/17,198.50 = 7,427.23/x
  3. Step 3: Cross multiply
    12,463.12x = 17,198.50 × 7,427.23
  4. Step 4: Simplify right side
    12,463.12x = 127,737,215.16
  5. Step 5: Solve for x
    x = 127,737,215.16/12,463.12
  6. Step 6: Final answer
    x = 10,249.22

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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.