Home / 11,781.97-16,258.70-6,476.76

Finding the Fourth Proportional to 11,781.97, 16,258.70 and 6,476.76

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Solution

The fourth proportional to 11,781.97, 16,258.70 and 6,476.76 is: 8,937.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,781.97 : 16,258.70 = 6,476.76 : x
  2. Step 2: Convert to fraction form
    11,781.97/16,258.70 = 6,476.76/x
  3. Step 3: Cross multiply
    11,781.97x = 16,258.70 × 6,476.76
  4. Step 4: Simplify right side
    11,781.97x = 105,303,714.00
  5. Step 5: Solve for x
    x = 105,303,714.00/11,781.97
  6. Step 6: Final answer
    x = 8,937.70

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Half scale
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Double scale
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Similar ratio
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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.