Home / 10,895.78-16,342.16-3,500.89

Finding the Fourth Proportional to 10,895.78, 16,342.16 and 3,500.89

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Solution

The fourth proportional to 10,895.78, 16,342.16 and 3,500.89 is: 5,250.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,895.78 : 16,342.16 = 3,500.89 : x
  2. Step 2: Convert to fraction form
    10,895.78/16,342.16 = 3,500.89/x
  3. Step 3: Cross multiply
    10,895.78x = 16,342.16 × 3,500.89
  4. Step 4: Simplify right side
    10,895.78x = 57,212,046.16
  5. Step 5: Solve for x
    x = 57,212,046.16/10,895.78
  6. Step 6: Final answer
    x = 5,250.84

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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.