Home / 11,743.18-16,206.28-6,708.98

Finding the Fourth Proportional to 11,743.18, 16,206.28 and 6,708.98

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Solution

The fourth proportional to 11,743.18, 16,206.28 and 6,708.98 is: 9,258.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,743.18 : 16,206.28 = 6,708.98 : x
  2. Step 2: Convert to fraction form
    11,743.18/16,206.28 = 6,708.98/x
  3. Step 3: Cross multiply
    11,743.18x = 16,206.28 × 6,708.98
  4. Step 4: Simplify right side
    11,743.18x = 108,727,540.98
  5. Step 5: Solve for x
    x = 108,727,540.98/11,743.18
  6. Step 6: Final answer
    x = 9,258.78

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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.