Home / 11,812.82-16,301.48-6,508.14

Finding the Fourth Proportional to 11,812.82, 16,301.48 and 6,508.14

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Solution

The fourth proportional to 11,812.82, 16,301.48 and 6,508.14 is: 8,981.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,812.82 : 16,301.48 = 6,508.14 : x
  2. Step 2: Convert to fraction form
    11,812.82/16,301.48 = 6,508.14/x
  3. Step 3: Cross multiply
    11,812.82x = 16,301.48 × 6,508.14
  4. Step 4: Simplify right side
    11,812.82x = 106,092,314.05
  5. Step 5: Solve for x
    x = 106,092,314.05/11,812.82
  6. Step 6: Final answer
    x = 8,981.12

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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.