Home / 11,553.20-15,943.40-6,248

Finding the Fourth Proportional to 11,553.20, 15,943.40 and 6,248

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Solution

The fourth proportional to 11,553.20, 15,943.40 and 6,248 is: 8,622.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,553.20 : 15,943.40 = 6,248 : x
  2. Step 2: Convert to fraction form
    11,553.20/15,943.40 = 6,248/x
  3. Step 3: Cross multiply
    11,553.20x = 15,943.40 × 6,248
  4. Step 4: Simplify right side
    11,553.20x = 99,614,363.20
  5. Step 5: Solve for x
    x = 99,614,363.20/11,553.20
  6. Step 6: Final answer
    x = 8,622.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.