Home / 11,713.82-16,165.58-7,234.11

Finding the Fourth Proportional to 11,713.82, 16,165.58 and 7,234.11

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Solution

The fourth proportional to 11,713.82, 16,165.58 and 7,234.11 is: 9,983.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,713.82 : 16,165.58 = 7,234.11 : x
  2. Step 2: Convert to fraction form
    11,713.82/16,165.58 = 7,234.11/x
  3. Step 3: Cross multiply
    11,713.82x = 16,165.58 × 7,234.11
  4. Step 4: Simplify right side
    11,713.82x = 116,943,547.76
  5. Step 5: Solve for x
    x = 116,943,547.76/11,713.82
  6. Step 6: Final answer
    x = 9,983.39

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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.