Home / 11,274.12-15,557.82-6,238.02

Finding the Fourth Proportional to 11,274.12, 15,557.82 and 6,238.02

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Solution

The fourth proportional to 11,274.12, 15,557.82 and 6,238.02 is: 8,608.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,274.12 : 15,557.82 = 6,238.02 : x
  2. Step 2: Convert to fraction form
    11,274.12/15,557.82 = 6,238.02/x
  3. Step 3: Cross multiply
    11,274.12x = 15,557.82 × 6,238.02
  4. Step 4: Simplify right side
    11,274.12x = 97,049,992.32
  5. Step 5: Solve for x
    x = 97,049,992.32/11,274.12
  6. Step 6: Final answer
    x = 8,608.21

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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.