Home / 12,553.45-18,829.15-4,233.29

Finding the Fourth Proportional to 12,553.45, 18,829.15 and 4,233.29

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Solution

The fourth proportional to 12,553.45, 18,829.15 and 4,233.29 is: 6,349.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,553.45 : 18,829.15 = 4,233.29 : x
  2. Step 2: Convert to fraction form
    12,553.45/18,829.15 = 4,233.29/x
  3. Step 3: Cross multiply
    12,553.45x = 18,829.15 × 4,233.29
  4. Step 4: Simplify right side
    12,553.45x = 79,709,252.40
  5. Step 5: Solve for x
    x = 79,709,252.40/12,553.45
  6. Step 6: Final answer
    x = 6,349.59

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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.