Home / 11,557.72-17,304.36-7,387.44

Finding the Fourth Proportional to 11,557.72, 17,304.36 and 7,387.44

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Solution

The fourth proportional to 11,557.72, 17,304.36 and 7,387.44 is: 11,060.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,557.72 : 17,304.36 = 7,387.44 : x
  2. Step 2: Convert to fraction form
    11,557.72/17,304.36 = 7,387.44/x
  3. Step 3: Cross multiply
    11,557.72x = 17,304.36 × 7,387.44
  4. Step 4: Simplify right side
    11,557.72x = 127,834,921.24
  5. Step 5: Solve for x
    x = 127,834,921.24/11,557.72
  6. Step 6: Final answer
    x = 11,060.57

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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.