Home / 11,848.78-16,351.10-6,543.48

Finding the Fourth Proportional to 11,848.78, 16,351.10 and 6,543.48

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Solution

The fourth proportional to 11,848.78, 16,351.10 and 6,543.48 is: 9,029.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,848.78 : 16,351.10 = 6,543.48 : x
  2. Step 2: Convert to fraction form
    11,848.78/16,351.10 = 6,543.48/x
  3. Step 3: Cross multiply
    11,848.78x = 16,351.10 × 6,543.48
  4. Step 4: Simplify right side
    11,848.78x = 106,993,148.97
  5. Step 5: Solve for x
    x = 106,993,148.97/11,848.78
  6. Step 6: Final answer
    x = 9,029.89

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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.