Home / 11,858.15-16,364.09-6,553.06

Finding the Fourth Proportional to 11,858.15, 16,364.09 and 6,553.06

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Solution

The fourth proportional to 11,858.15, 16,364.09 and 6,553.06 is: 9,043.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,858.15 : 16,364.09 = 6,553.06 : x
  2. Step 2: Convert to fraction form
    11,858.15/16,364.09 = 6,553.06/x
  3. Step 3: Cross multiply
    11,858.15x = 16,364.09 × 6,553.06
  4. Step 4: Simplify right side
    11,858.15x = 107,234,863.62
  5. Step 5: Solve for x
    x = 107,234,863.62/11,858.15
  6. Step 6: Final answer
    x = 9,043.14

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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.