Home / 12,370.74-18,555.57-3,606

Finding the Fourth Proportional to 12,370.74, 18,555.57 and 3,606

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Solution

The fourth proportional to 12,370.74, 18,555.57 and 3,606 is: 5,408.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,370.74 : 18,555.57 = 3,606 : x
  2. Step 2: Convert to fraction form
    12,370.74/18,555.57 = 3,606/x
  3. Step 3: Cross multiply
    12,370.74x = 18,555.57 × 3,606
  4. Step 4: Simplify right side
    12,370.74x = 66,911,385.42
  5. Step 5: Solve for x
    x = 66,911,385.42/12,370.74
  6. Step 6: Final answer
    x = 5,408.84

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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.