Home / 11,274.47-15,558.47-6,238.90

Finding the Fourth Proportional to 11,274.47, 15,558.47 and 6,238.90

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Solution

The fourth proportional to 11,274.47, 15,558.47 and 6,238.90 is: 8,609.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,274.47 : 15,558.47 = 6,238.90 : x
  2. Step 2: Convert to fraction form
    11,274.47/15,558.47 = 6,238.90/x
  3. Step 3: Cross multiply
    11,274.47x = 15,558.47 × 6,238.90
  4. Step 4: Simplify right side
    11,274.47x = 97,067,738.48
  5. Step 5: Solve for x
    x = 97,067,738.48/11,274.47
  6. Step 6: Final answer
    x = 8,609.52

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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.