Home / 12,607.35-18,909.58-3,372.63

Finding the Fourth Proportional to 12,607.35, 18,909.58 and 3,372.63

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Solution

The fourth proportional to 12,607.35, 18,909.58 and 3,372.63 is: 5,058.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,607.35 : 18,909.58 = 3,372.63 : x
  2. Step 2: Convert to fraction form
    12,607.35/18,909.58 = 3,372.63/x
  3. Step 3: Cross multiply
    12,607.35x = 18,909.58 × 3,372.63
  4. Step 4: Simplify right side
    12,607.35x = 63,775,016.80
  5. Step 5: Solve for x
    x = 63,775,016.80/12,607.35
  6. Step 6: Final answer
    x = 5,058.56

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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.