Home / 11,472.47-17,186.49-6,717.11

Finding the Fourth Proportional to 11,472.47, 17,186.49 and 6,717.11

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Solution

The fourth proportional to 11,472.47, 17,186.49 and 6,717.11 is: 10,062.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,472.47 : 17,186.49 = 6,717.11 : x
  2. Step 2: Convert to fraction form
    11,472.47/17,186.49 = 6,717.11/x
  3. Step 3: Cross multiply
    11,472.47x = 17,186.49 × 6,717.11
  4. Step 4: Simplify right side
    11,472.47x = 115,443,457.91
  5. Step 5: Solve for x
    x = 115,443,457.91/11,472.47
  6. Step 6: Final answer
    x = 10,062.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.