Home / 6,111.92-8,434.68-3,459.44

Finding the Fourth Proportional to 6,111.92, 8,434.68 and 3,459.44

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Solution

The fourth proportional to 6,111.92, 8,434.68 and 3,459.44 is: 4,774.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,111.92 : 8,434.68 = 3,459.44 : x
  2. Step 2: Convert to fraction form
    6,111.92/8,434.68 = 3,459.44/x
  3. Step 3: Cross multiply
    6,111.92x = 8,434.68 × 3,459.44
  4. Step 4: Simplify right side
    6,111.92x = 29,179,269.38
  5. Step 5: Solve for x
    x = 29,179,269.38/6,111.92
  6. Step 6: Final answer
    x = 4,774.16

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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.