Home / 7,711.14-10,641.36-4,174.34

Finding the Fourth Proportional to 7,711.14, 10,641.36 and 4,174.34

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Solution

The fourth proportional to 7,711.14, 10,641.36 and 4,174.34 is: 5,760.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,711.14 : 10,641.36 = 4,174.34 : x
  2. Step 2: Convert to fraction form
    7,711.14/10,641.36 = 4,174.34/x
  3. Step 3: Cross multiply
    7,711.14x = 10,641.36 × 4,174.34
  4. Step 4: Simplify right side
    7,711.14x = 44,420,654.70
  5. Step 5: Solve for x
    x = 44,420,654.70/7,711.14
  6. Step 6: Final answer
    x = 5,760.58

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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.