Home / 10,425.58-15,640.38-4,502.46

Finding the Fourth Proportional to 10,425.58, 15,640.38 and 4,502.46

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Solution

The fourth proportional to 10,425.58, 15,640.38 and 4,502.46 is: 6,754.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,425.58 : 15,640.38 = 4,502.46 : x
  2. Step 2: Convert to fraction form
    10,425.58/15,640.38 = 4,502.46/x
  3. Step 3: Cross multiply
    10,425.58x = 15,640.38 × 4,502.46
  4. Step 4: Simplify right side
    10,425.58x = 70,420,185.33
  5. Step 5: Solve for x
    x = 70,420,185.33/10,425.58
  6. Step 6: Final answer
    x = 6,754.56

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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.