Home / 7,013.73-9,679.80-4,029.56

Finding the Fourth Proportional to 7,013.73, 9,679.80 and 4,029.56

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Solution

The fourth proportional to 7,013.73, 9,679.80 and 4,029.56 is: 5,561.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,013.73 : 9,679.80 = 4,029.56 : x
  2. Step 2: Convert to fraction form
    7,013.73/9,679.80 = 4,029.56/x
  3. Step 3: Cross multiply
    7,013.73x = 9,679.80 × 4,029.56
  4. Step 4: Simplify right side
    7,013.73x = 39,005,286.49
  5. Step 5: Solve for x
    x = 39,005,286.49/7,013.73
  6. Step 6: Final answer
    x = 5,561.28

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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.