Home / 12,054.79-18,083.38-4,156.24

Finding the Fourth Proportional to 12,054.79, 18,083.38 and 4,156.24

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Solution

The fourth proportional to 12,054.79, 18,083.38 and 4,156.24 is: 6,234.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,054.79 : 18,083.38 = 4,156.24 : x
  2. Step 2: Convert to fraction form
    12,054.79/18,083.38 = 4,156.24/x
  3. Step 3: Cross multiply
    12,054.79x = 18,083.38 × 4,156.24
  4. Step 4: Simplify right side
    12,054.79x = 75,158,867.29
  5. Step 5: Solve for x
    x = 75,158,867.29/12,054.79
  6. Step 6: Final answer
    x = 6,234.77

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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.