Home / 11,371.82-15,693.90-6,895.76

Finding the Fourth Proportional to 11,371.82, 15,693.90 and 6,895.76

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Solution

The fourth proportional to 11,371.82, 15,693.90 and 6,895.76 is: 9,516.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,371.82 : 15,693.90 = 6,895.76 : x
  2. Step 2: Convert to fraction form
    11,371.82/15,693.90 = 6,895.76/x
  3. Step 3: Cross multiply
    11,371.82x = 15,693.90 × 6,895.76
  4. Step 4: Simplify right side
    11,371.82x = 108,221,367.86
  5. Step 5: Solve for x
    x = 108,221,367.86/11,371.82
  6. Step 6: Final answer
    x = 9,516.63

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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.