Home / 6,653.36-9,181.32-3,859.76

Finding the Fourth Proportional to 6,653.36, 9,181.32 and 3,859.76

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Solution

The fourth proportional to 6,653.36, 9,181.32 and 3,859.76 is: 5,326.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,653.36 : 9,181.32 = 3,859.76 : x
  2. Step 2: Convert to fraction form
    6,653.36/9,181.32 = 3,859.76/x
  3. Step 3: Cross multiply
    6,653.36x = 9,181.32 × 3,859.76
  4. Step 4: Simplify right side
    6,653.36x = 35,437,691.68
  5. Step 5: Solve for x
    x = 35,437,691.68/6,653.36
  6. Step 6: Final answer
    x = 5,326.29

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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.