Home / 11,238.30-15,509.79-6,202.98

Finding the Fourth Proportional to 11,238.30, 15,509.79 and 6,202.98

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Solution

The fourth proportional to 11,238.30, 15,509.79 and 6,202.98 is: 8,560.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,238.30 : 15,509.79 = 6,202.98 : x
  2. Step 2: Convert to fraction form
    11,238.30/15,509.79 = 6,202.98/x
  3. Step 3: Cross multiply
    11,238.30x = 15,509.79 × 6,202.98
  4. Step 4: Simplify right side
    11,238.30x = 96,206,917.17
  5. Step 5: Solve for x
    x = 96,206,917.17/11,238.30
  6. Step 6: Final answer
    x = 8,560.63

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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.