Home / 10,028.88-15,043.35-3,454.98

Finding the Fourth Proportional to 10,028.88, 15,043.35 and 3,454.98

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Solution

The fourth proportional to 10,028.88, 15,043.35 and 3,454.98 is: 5,182.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,028.88 : 15,043.35 = 3,454.98 : x
  2. Step 2: Convert to fraction form
    10,028.88/15,043.35 = 3,454.98/x
  3. Step 3: Cross multiply
    10,028.88x = 15,043.35 × 3,454.98
  4. Step 4: Simplify right side
    10,028.88x = 51,974,473.38
  5. Step 5: Solve for x
    x = 51,974,473.38/10,028.88
  6. Step 6: Final answer
    x = 5,182.48

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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.