Home / 11,856.29-16,361.69-6,551.15

Finding the Fourth Proportional to 11,856.29, 16,361.69 and 6,551.15

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Solution

The fourth proportional to 11,856.29, 16,361.69 and 6,551.15 is: 9,040.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,856.29 : 16,361.69 = 6,551.15 : x
  2. Step 2: Convert to fraction form
    11,856.29/16,361.69 = 6,551.15/x
  3. Step 3: Cross multiply
    11,856.29x = 16,361.69 × 6,551.15
  4. Step 4: Simplify right side
    11,856.29x = 107,187,770.88
  5. Step 5: Solve for x
    x = 107,187,770.88/11,856.29
  6. Step 6: Final answer
    x = 9,040.59

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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.