Home / 10,850.54-16,278.09-3,455.55

Finding the Fourth Proportional to 10,850.54, 16,278.09 and 3,455.55

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Solution

The fourth proportional to 10,850.54, 16,278.09 and 3,455.55 is: 5,184.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,850.54 : 16,278.09 = 3,455.55 : x
  2. Step 2: Convert to fraction form
    10,850.54/16,278.09 = 3,455.55/x
  3. Step 3: Cross multiply
    10,850.54x = 16,278.09 × 3,455.55
  4. Step 4: Simplify right side
    10,850.54x = 56,249,753.90
  5. Step 5: Solve for x
    x = 56,249,753.90/10,850.54
  6. Step 6: Final answer
    x = 5,184.05

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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.