Home / 10,489.68-15,717.42-6,110.82

Finding the Fourth Proportional to 10,489.68, 15,717.42 and 6,110.82

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Solution

The fourth proportional to 10,489.68, 15,717.42 and 6,110.82 is: 9,156.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,489.68 : 15,717.42 = 6,110.82 : x
  2. Step 2: Convert to fraction form
    10,489.68/15,717.42 = 6,110.82/x
  3. Step 3: Cross multiply
    10,489.68x = 15,717.42 × 6,110.82
  4. Step 4: Simplify right side
    10,489.68x = 96,046,324.48
  5. Step 5: Solve for x
    x = 96,046,324.48/10,489.68
  6. Step 6: Final answer
    x = 9,156.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.