Home / 12,101.27-16,696.80-7,062.62

Finding the Fourth Proportional to 12,101.27, 16,696.80 and 7,062.62

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Solution

The fourth proportional to 12,101.27, 16,696.80 and 7,062.62 is: 9,744.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,101.27 : 16,696.80 = 7,062.62 : x
  2. Step 2: Convert to fraction form
    12,101.27/16,696.80 = 7,062.62/x
  3. Step 3: Cross multiply
    12,101.27x = 16,696.80 × 7,062.62
  4. Step 4: Simplify right side
    12,101.27x = 117,923,070.13
  5. Step 5: Solve for x
    x = 117,923,070.13/12,101.27
  6. Step 6: Final answer
    x = 9,744.69

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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.