Home / 11,892.39-16,411.44-6,856.57

Finding the Fourth Proportional to 11,892.39, 16,411.44 and 6,856.57

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Solution

The fourth proportional to 11,892.39, 16,411.44 and 6,856.57 is: 9,462.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,892.39 : 16,411.44 = 6,856.57 : x
  2. Step 2: Convert to fraction form
    11,892.39/16,411.44 = 6,856.57/x
  3. Step 3: Cross multiply
    11,892.39x = 16,411.44 × 6,856.57
  4. Step 4: Simplify right side
    11,892.39x = 112,526,187.16
  5. Step 5: Solve for x
    x = 112,526,187.16/11,892.39
  6. Step 6: Final answer
    x = 9,462.03

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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.