Home / 12,073.33-18,119.85-6,231.61

Finding the Fourth Proportional to 12,073.33, 18,119.85 and 6,231.61

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Solution

The fourth proportional to 12,073.33, 18,119.85 and 6,231.61 is: 9,352.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,073.33 : 18,119.85 = 6,231.61 : x
  2. Step 2: Convert to fraction form
    12,073.33/18,119.85 = 6,231.61/x
  3. Step 3: Cross multiply
    12,073.33x = 18,119.85 × 6,231.61
  4. Step 4: Simplify right side
    12,073.33x = 112,915,838.46
  5. Step 5: Solve for x
    x = 112,915,838.46/12,073.33
  6. Step 6: Final answer
    x = 9,352.50

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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.