Home / 12,125.36-18,180.18-4,730.57

Finding the Fourth Proportional to 12,125.36, 18,180.18 and 4,730.57

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Solution

The fourth proportional to 12,125.36, 18,180.18 and 4,730.57 is: 7,092.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,125.36 : 18,180.18 = 4,730.57 : x
  2. Step 2: Convert to fraction form
    12,125.36/18,180.18 = 4,730.57/x
  3. Step 3: Cross multiply
    12,125.36x = 18,180.18 × 4,730.57
  4. Step 4: Simplify right side
    12,125.36x = 86,002,591.38
  5. Step 5: Solve for x
    x = 86,002,591.38/12,125.36
  6. Step 6: Final answer
    x = 7,092.79

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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.