Home / 11,595.78-17,393.40-6,661.80

Finding the Fourth Proportional to 11,595.78, 17,393.40 and 6,661.80

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Solution

The fourth proportional to 11,595.78, 17,393.40 and 6,661.80 is: 9,992.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,595.78 : 17,393.40 = 6,661.80 : x
  2. Step 2: Convert to fraction form
    11,595.78/17,393.40 = 6,661.80/x
  3. Step 3: Cross multiply
    11,595.78x = 17,393.40 × 6,661.80
  4. Step 4: Simplify right side
    11,595.78x = 115,871,352.12
  5. Step 5: Solve for x
    x = 115,871,352.12/11,595.78
  6. Step 6: Final answer
    x = 9,992.54

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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.