Home / 10,226.25-15,338.55-2,830.85

Finding the Fourth Proportional to 10,226.25, 15,338.55 and 2,830.85

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Solution

The fourth proportional to 10,226.25, 15,338.55 and 2,830.85 is: 4,246.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,226.25 : 15,338.55 = 2,830.85 : x
  2. Step 2: Convert to fraction form
    10,226.25/15,338.55 = 2,830.85/x
  3. Step 3: Cross multiply
    10,226.25x = 15,338.55 × 2,830.85
  4. Step 4: Simplify right side
    10,226.25x = 43,421,057.57
  5. Step 5: Solve for x
    x = 43,421,057.57/10,226.25
  6. Step 6: Final answer
    x = 4,246.04

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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.