Home / 11,717.48-16,165.68-7,233.56

Finding the Fourth Proportional to 11,717.48, 16,165.68 and 7,233.56

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Solution

The fourth proportional to 11,717.48, 16,165.68 and 7,233.56 is: 9,979.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,717.48 : 16,165.68 = 7,233.56 : x
  2. Step 2: Convert to fraction form
    11,717.48/16,165.68 = 7,233.56/x
  3. Step 3: Cross multiply
    11,717.48x = 16,165.68 × 7,233.56
  4. Step 4: Simplify right side
    11,717.48x = 116,935,416.22
  5. Step 5: Solve for x
    x = 116,935,416.22/11,717.48
  6. Step 6: Final answer
    x = 9,979.57

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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.