Home / 11,858.30-16,365.03-6,553.70

Finding the Fourth Proportional to 11,858.30, 16,365.03 and 6,553.70

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Solution

The fourth proportional to 11,858.30, 16,365.03 and 6,553.70 is: 9,044.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,858.30 : 16,365.03 = 6,553.70 : x
  2. Step 2: Convert to fraction form
    11,858.30/16,365.03 = 6,553.70/x
  3. Step 3: Cross multiply
    11,858.30x = 16,365.03 × 6,553.70
  4. Step 4: Simplify right side
    11,858.30x = 107,251,497.11
  5. Step 5: Solve for x
    x = 107,251,497.11/11,858.30
  6. Step 6: Final answer
    x = 9,044.42

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1.5x scale

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.