Home / 12,446.42-18,672.53-4,125.83

Finding the Fourth Proportional to 12,446.42, 18,672.53 and 4,125.83

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Solution

The fourth proportional to 12,446.42, 18,672.53 and 4,125.83 is: 6,189.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,446.42 : 18,672.53 = 4,125.83 : x
  2. Step 2: Convert to fraction form
    12,446.42/18,672.53 = 4,125.83/x
  3. Step 3: Cross multiply
    12,446.42x = 18,672.53 × 4,125.83
  4. Step 4: Simplify right side
    12,446.42x = 77,039,637.77
  5. Step 5: Solve for x
    x = 77,039,637.77/12,446.42
  6. Step 6: Final answer
    x = 6,189.70

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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.