Home / 10,425.06-15,639.13-3,028.56

Finding the Fourth Proportional to 10,425.06, 15,639.13 and 3,028.56

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Solution

The fourth proportional to 10,425.06, 15,639.13 and 3,028.56 is: 4,543.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,425.06 : 15,639.13 = 3,028.56 : x
  2. Step 2: Convert to fraction form
    10,425.06/15,639.13 = 3,028.56/x
  3. Step 3: Cross multiply
    10,425.06x = 15,639.13 × 3,028.56
  4. Step 4: Simplify right side
    10,425.06x = 47,364,043.55
  5. Step 5: Solve for x
    x = 47,364,043.55/10,425.06
  6. Step 6: Final answer
    x = 4,543.29

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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.