Home / 11,733.05-16,191.61-6,427.88

Finding the Fourth Proportional to 11,733.05, 16,191.61 and 6,427.88

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Solution

The fourth proportional to 11,733.05, 16,191.61 and 6,427.88 is: 8,870.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,733.05 : 16,191.61 = 6,427.88 : x
  2. Step 2: Convert to fraction form
    11,733.05/16,191.61 = 6,427.88/x
  3. Step 3: Cross multiply
    11,733.05x = 16,191.61 × 6,427.88
  4. Step 4: Simplify right side
    11,733.05x = 104,077,726.09
  5. Step 5: Solve for x
    x = 104,077,726.09/11,733.05
  6. Step 6: Final answer
    x = 8,870.47

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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.