Home / 11,372.82-15,695.28-6,896.76

Finding the Fourth Proportional to 11,372.82, 15,695.28 and 6,896.76

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Solution

The fourth proportional to 11,372.82, 15,695.28 and 6,896.76 is: 9,518.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,372.82 : 15,695.28 = 6,896.76 : x
  2. Step 2: Convert to fraction form
    11,372.82/15,695.28 = 6,896.76/x
  3. Step 3: Cross multiply
    11,372.82x = 15,695.28 × 6,896.76
  4. Step 4: Simplify right side
    11,372.82x = 108,246,579.29
  5. Step 5: Solve for x
    x = 108,246,579.29/11,372.82
  6. Step 6: Final answer
    x = 9,518.01

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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.