Home / 10,893.40-16,338.55-3,496.90

Finding the Fourth Proportional to 10,893.40, 16,338.55 and 3,496.90

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Solution

The fourth proportional to 10,893.40, 16,338.55 and 3,496.90 is: 5,244.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,893.40 : 16,338.55 = 3,496.90 : x
  2. Step 2: Convert to fraction form
    10,893.40/16,338.55 = 3,496.90/x
  3. Step 3: Cross multiply
    10,893.40x = 16,338.55 × 3,496.90
  4. Step 4: Simplify right side
    10,893.40x = 57,134,263.10
  5. Step 5: Solve for x
    x = 57,134,263.10/10,893.40
  6. Step 6: Final answer
    x = 5,244.85

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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.