Home / 12,127.24-18,190.84-3,362.16

Finding the Fourth Proportional to 12,127.24, 18,190.84 and 3,362.16

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Solution

The fourth proportional to 12,127.24, 18,190.84 and 3,362.16 is: 5,043.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,127.24 : 18,190.84 = 3,362.16 : x
  2. Step 2: Convert to fraction form
    12,127.24/18,190.84 = 3,362.16/x
  3. Step 3: Cross multiply
    12,127.24x = 18,190.84 × 3,362.16
  4. Step 4: Simplify right side
    12,127.24x = 61,160,514.61
  5. Step 5: Solve for x
    x = 61,160,514.61/12,127.24
  6. Step 6: Final answer
    x = 5,043.23

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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.