Home / 10,226.10-15,339.14-2,830.54

Finding the Fourth Proportional to 10,226.10, 15,339.14 and 2,830.54

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Solution

The fourth proportional to 10,226.10, 15,339.14 and 2,830.54 is: 4,245.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,226.10 : 15,339.14 = 2,830.54 : x
  2. Step 2: Convert to fraction form
    10,226.10/15,339.14 = 2,830.54/x
  3. Step 3: Cross multiply
    10,226.10x = 15,339.14 × 2,830.54
  4. Step 4: Simplify right side
    10,226.10x = 43,418,035.18
  5. Step 5: Solve for x
    x = 43,418,035.18/10,226.10
  6. Step 6: Final answer
    x = 4,245.80

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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.