Home / 8,935.88-13,414.34-5,240.93

Finding the Fourth Proportional to 8,935.88, 13,414.34 and 5,240.93

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Solution

The fourth proportional to 8,935.88, 13,414.34 and 5,240.93 is: 7,867.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,935.88 : 13,414.34 = 5,240.93 : x
  2. Step 2: Convert to fraction form
    8,935.88/13,414.34 = 5,240.93/x
  3. Step 3: Cross multiply
    8,935.88x = 13,414.34 × 5,240.93
  4. Step 4: Simplify right side
    8,935.88x = 70,303,523.66
  5. Step 5: Solve for x
    x = 70,303,523.66/8,935.88
  6. Step 6: Final answer
    x = 7,867.56

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1.5x scale

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.