Home / 11,538.25-15,922.85-6,761.01

Finding the Fourth Proportional to 11,538.25, 15,922.85 and 6,761.01

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Solution

The fourth proportional to 11,538.25, 15,922.85 and 6,761.01 is: 9,330.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,538.25 : 15,922.85 = 6,761.01 : x
  2. Step 2: Convert to fraction form
    11,538.25/15,922.85 = 6,761.01/x
  3. Step 3: Cross multiply
    11,538.25x = 15,922.85 × 6,761.01
  4. Step 4: Simplify right side
    11,538.25x = 107,654,548.08
  5. Step 5: Solve for x
    x = 107,654,548.08/11,538.25
  6. Step 6: Final answer
    x = 9,330.23

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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.