Home / 12,237.90-18,344.70-5,992.80

Finding the Fourth Proportional to 12,237.90, 18,344.70 and 5,992.80

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Solution

The fourth proportional to 12,237.90, 18,344.70 and 5,992.80 is: 8,983.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,237.90 : 18,344.70 = 5,992.80 : x
  2. Step 2: Convert to fraction form
    12,237.90/18,344.70 = 5,992.80/x
  3. Step 3: Cross multiply
    12,237.90x = 18,344.70 × 5,992.80
  4. Step 4: Simplify right side
    12,237.90x = 109,936,118.16
  5. Step 5: Solve for x
    x = 109,936,118.16/12,237.90
  6. Step 6: Final answer
    x = 8,983.25

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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.