Home / 11,806.19-16,275.43-8,258.39

Finding the Fourth Proportional to 11,806.19, 16,275.43 and 8,258.39

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Solution

The fourth proportional to 11,806.19, 16,275.43 and 8,258.39 is: 11,384.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,806.19 : 16,275.43 = 8,258.39 : x
  2. Step 2: Convert to fraction form
    11,806.19/16,275.43 = 8,258.39/x
  3. Step 3: Cross multiply
    11,806.19x = 16,275.43 × 8,258.39
  4. Step 4: Simplify right side
    11,806.19x = 134,408,848.36
  5. Step 5: Solve for x
    x = 134,408,848.36/11,806.19
  6. Step 6: Final answer
    x = 11,384.61

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Half scale
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Double scale
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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.