Home / 9,976.14-13,766.49-5,727.87

Finding the Fourth Proportional to 9,976.14, 13,766.49 and 5,727.87

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Solution

The fourth proportional to 9,976.14, 13,766.49 and 5,727.87 is: 7,904.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,976.14 : 13,766.49 = 5,727.87 : x
  2. Step 2: Convert to fraction form
    9,976.14/13,766.49 = 5,727.87/x
  3. Step 3: Cross multiply
    9,976.14x = 13,766.49 × 5,727.87
  4. Step 4: Simplify right side
    9,976.14x = 78,852,665.08
  5. Step 5: Solve for x
    x = 78,852,665.08/9,976.14
  6. Step 6: Final answer
    x = 7,904.13

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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.