Home / 12,092.76-18,135.70-4,695.64

Finding the Fourth Proportional to 12,092.76, 18,135.70 and 4,695.64

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Solution

The fourth proportional to 12,092.76, 18,135.70 and 4,695.64 is: 7,042.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,092.76 : 18,135.70 = 4,695.64 : x
  2. Step 2: Convert to fraction form
    12,092.76/18,135.70 = 4,695.64/x
  3. Step 3: Cross multiply
    12,092.76x = 18,135.70 × 4,695.64
  4. Step 4: Simplify right side
    12,092.76x = 85,158,661.27
  5. Step 5: Solve for x
    x = 85,158,661.27/12,092.76
  6. Step 6: Final answer
    x = 7,042.12

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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.