Home / 10,815.46-16,229.60-4,575.13

Finding the Fourth Proportional to 10,815.46, 16,229.60 and 4,575.13

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Solution

The fourth proportional to 10,815.46, 16,229.60 and 4,575.13 is: 6,865.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,815.46 : 16,229.60 = 4,575.13 : x
  2. Step 2: Convert to fraction form
    10,815.46/16,229.60 = 4,575.13/x
  3. Step 3: Cross multiply
    10,815.46x = 16,229.60 × 4,575.13
  4. Step 4: Simplify right side
    10,815.46x = 74,252,529.85
  5. Step 5: Solve for x
    x = 74,252,529.85/10,815.46
  6. Step 6: Final answer
    x = 6,865.41

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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.