Home / 11,701.66-16,145.85-7,451.19

Finding the Fourth Proportional to 11,701.66, 16,145.85 and 7,451.19

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Solution

The fourth proportional to 11,701.66, 16,145.85 and 7,451.19 is: 10,281.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,701.66 : 16,145.85 = 7,451.19 : x
  2. Step 2: Convert to fraction form
    11,701.66/16,145.85 = 7,451.19/x
  3. Step 3: Cross multiply
    11,701.66x = 16,145.85 × 7,451.19
  4. Step 4: Simplify right side
    11,701.66x = 120,305,796.06
  5. Step 5: Solve for x
    x = 120,305,796.06/11,701.66
  6. Step 6: Final answer
    x = 10,281.09

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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.