Home / 10,013.58-15,020.21-2,993.61

Finding the Fourth Proportional to 10,013.58, 15,020.21 and 2,993.61

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Solution

The fourth proportional to 10,013.58, 15,020.21 and 2,993.61 is: 4,490.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,013.58 : 15,020.21 = 2,993.61 : x
  2. Step 2: Convert to fraction form
    10,013.58/15,020.21 = 2,993.61/x
  3. Step 3: Cross multiply
    10,013.58x = 15,020.21 × 2,993.61
  4. Step 4: Simplify right side
    10,013.58x = 44,964,635.89
  5. Step 5: Solve for x
    x = 44,964,635.89/10,013.58
  6. Step 6: Final answer
    x = 4,490.37

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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.