Home / 9,177.14-13,769.86-3,913.58

Finding the Fourth Proportional to 9,177.14, 13,769.86 and 3,913.58

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Solution

The fourth proportional to 9,177.14, 13,769.86 and 3,913.58 is: 5,872.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,177.14 : 13,769.86 = 3,913.58 : x
  2. Step 2: Convert to fraction form
    9,177.14/13,769.86 = 3,913.58/x
  3. Step 3: Cross multiply
    9,177.14x = 13,769.86 × 3,913.58
  4. Step 4: Simplify right side
    9,177.14x = 53,889,448.70
  5. Step 5: Solve for x
    x = 53,889,448.70/9,177.14
  6. Step 6: Final answer
    x = 5,872.14

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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.