Home / 11,745.40-17,610.80-6,554.92

Finding the Fourth Proportional to 11,745.40, 17,610.80 and 6,554.92

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Solution

The fourth proportional to 11,745.40, 17,610.80 and 6,554.92 is: 9,828.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,745.40 : 17,610.80 = 6,554.92 : x
  2. Step 2: Convert to fraction form
    11,745.40/17,610.80 = 6,554.92/x
  3. Step 3: Cross multiply
    11,745.40x = 17,610.80 × 6,554.92
  4. Step 4: Simplify right side
    11,745.40x = 115,437,385.14
  5. Step 5: Solve for x
    x = 115,437,385.14/11,745.40
  6. Step 6: Final answer
    x = 9,828.31

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1.5x scale

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.