Home / 11,892.23-16,411.23-6,856.42

Finding the Fourth Proportional to 11,892.23, 16,411.23 and 6,856.42

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Solution

The fourth proportional to 11,892.23, 16,411.23 and 6,856.42 is: 9,461.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,892.23 : 16,411.23 = 6,856.42 : x
  2. Step 2: Convert to fraction form
    11,892.23/16,411.23 = 6,856.42/x
  3. Step 3: Cross multiply
    11,892.23x = 16,411.23 × 6,856.42
  4. Step 4: Simplify right side
    11,892.23x = 112,522,244.57
  5. Step 5: Solve for x
    x = 112,522,244.57/11,892.23
  6. Step 6: Final answer
    x = 9,461.83

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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.