Home / 11,730.56-16,188.15-6,425.48

Finding the Fourth Proportional to 11,730.56, 16,188.15 and 6,425.48

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Solution

The fourth proportional to 11,730.56, 16,188.15 and 6,425.48 is: 8,867.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,730.56 : 16,188.15 = 6,425.48 : x
  2. Step 2: Convert to fraction form
    11,730.56/16,188.15 = 6,425.48/x
  3. Step 3: Cross multiply
    11,730.56x = 16,188.15 × 6,425.48
  4. Step 4: Simplify right side
    11,730.56x = 104,016,634.06
  5. Step 5: Solve for x
    x = 104,016,634.06/11,730.56
  6. Step 6: Final answer
    x = 8,867.15

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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.