Home / 11,378.28-17,070.90-5,835.54

Finding the Fourth Proportional to 11,378.28, 17,070.90 and 5,835.54

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Solution

The fourth proportional to 11,378.28, 17,070.90 and 5,835.54 is: 8,755.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,378.28 : 17,070.90 = 5,835.54 : x
  2. Step 2: Convert to fraction form
    11,378.28/17,070.90 = 5,835.54/x
  3. Step 3: Cross multiply
    11,378.28x = 17,070.90 × 5,835.54
  4. Step 4: Simplify right side
    11,378.28x = 99,617,919.79
  5. Step 5: Solve for x
    x = 99,617,919.79/11,378.28
  6. Step 6: Final answer
    x = 8,755.09

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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.