Home / 11,729.40-17,586.80-6,538.92

Finding the Fourth Proportional to 11,729.40, 17,586.80 and 6,538.92

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Solution

The fourth proportional to 11,729.40, 17,586.80 and 6,538.92 is: 9,804.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,729.40 : 17,586.80 = 6,538.92 : x
  2. Step 2: Convert to fraction form
    11,729.40/17,586.80 = 6,538.92/x
  3. Step 3: Cross multiply
    11,729.40x = 17,586.80 × 6,538.92
  4. Step 4: Simplify right side
    11,729.40x = 114,998,678.26
  5. Step 5: Solve for x
    x = 114,998,678.26/11,729.40
  6. Step 6: Final answer
    x = 9,804.31

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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.