Home / 10,982.26-15,162.44-8,459.63

Finding the Fourth Proportional to 10,982.26, 15,162.44 and 8,459.63

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Solution

The fourth proportional to 10,982.26, 15,162.44 and 8,459.63 is: 11,679.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,982.26 : 15,162.44 = 8,459.63 : x
  2. Step 2: Convert to fraction form
    10,982.26/15,162.44 = 8,459.63/x
  3. Step 3: Cross multiply
    10,982.26x = 15,162.44 × 8,459.63
  4. Step 4: Simplify right side
    10,982.26x = 128,268,632.30
  5. Step 5: Solve for x
    x = 128,268,632.30/10,982.26
  6. Step 6: Final answer
    x = 11,679.62

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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.