Home / 11,371.34-15,690.36-6,335.43

Finding the Fourth Proportional to 11,371.34, 15,690.36 and 6,335.43

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Solution

The fourth proportional to 11,371.34, 15,690.36 and 6,335.43 is: 8,741.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,371.34 : 15,690.36 = 6,335.43 : x
  2. Step 2: Convert to fraction form
    11,371.34/15,690.36 = 6,335.43/x
  3. Step 3: Cross multiply
    11,371.34x = 15,690.36 × 6,335.43
  4. Step 4: Simplify right side
    11,371.34x = 99,405,177.45
  5. Step 5: Solve for x
    x = 99,405,177.45/11,371.34
  6. Step 6: Final answer
    x = 8,741.73

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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.