Home / 11,926.26-16,459.29-6,892.20

Finding the Fourth Proportional to 11,926.26, 16,459.29 and 6,892.20

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Solution

The fourth proportional to 11,926.26, 16,459.29 and 6,892.20 is: 9,511.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,926.26 : 16,459.29 = 6,892.20 : x
  2. Step 2: Convert to fraction form
    11,926.26/16,459.29 = 6,892.20/x
  3. Step 3: Cross multiply
    11,926.26x = 16,459.29 × 6,892.20
  4. Step 4: Simplify right side
    11,926.26x = 113,440,718.54
  5. Step 5: Solve for x
    x = 113,440,718.54/11,926.26
  6. Step 6: Final answer
    x = 9,511.84

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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.