Home / 12,093.30-18,117.55-6,883.70

Finding the Fourth Proportional to 12,093.30, 18,117.55 and 6,883.70

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Solution

The fourth proportional to 12,093.30, 18,117.55 and 6,883.70 is: 10,312.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,093.30 : 18,117.55 = 6,883.70 : x
  2. Step 2: Convert to fraction form
    12,093.30/18,117.55 = 6,883.70/x
  3. Step 3: Cross multiply
    12,093.30x = 18,117.55 × 6,883.70
  4. Step 4: Simplify right side
    12,093.30x = 124,715,778.94
  5. Step 5: Solve for x
    x = 124,715,778.94/12,093.30
  6. Step 6: Final answer
    x = 10,312.80

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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.