Home / 6,118.92-9,178.38-1,736.76

Finding the Fourth Proportional to 6,118.92, 9,178.38 and 1,736.76

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Solution

The fourth proportional to 6,118.92, 9,178.38 and 1,736.76 is: 2,605.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,118.92 : 9,178.38 = 1,736.76 : x
  2. Step 2: Convert to fraction form
    6,118.92/9,178.38 = 1,736.76/x
  3. Step 3: Cross multiply
    6,118.92x = 9,178.38 × 1,736.76
  4. Step 4: Simplify right side
    6,118.92x = 15,940,643.25
  5. Step 5: Solve for x
    x = 15,940,643.25/6,118.92
  6. Step 6: Final answer
    x = 2,605.14

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.