Home / 7,711.26-10,641.56-4,174.46

Finding the Fourth Proportional to 7,711.26, 10,641.56 and 4,174.46

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Solution

The fourth proportional to 7,711.26, 10,641.56 and 4,174.46 is: 5,760.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,711.26 : 10,641.56 = 4,174.46 : x
  2. Step 2: Convert to fraction form
    7,711.26/10,641.56 = 4,174.46/x
  3. Step 3: Cross multiply
    7,711.26x = 10,641.56 × 4,174.46
  4. Step 4: Simplify right side
    7,711.26x = 44,422,719.08
  5. Step 5: Solve for x
    x = 44,422,719.08/7,711.26
  6. Step 6: Final answer
    x = 5,760.76

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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.