Home / 11,475.68-17,214.10-3,155.49

Finding the Fourth Proportional to 11,475.68, 17,214.10 and 3,155.49

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Solution

The fourth proportional to 11,475.68, 17,214.10 and 3,155.49 is: 4,733.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,475.68 : 17,214.10 = 3,155.49 : x
  2. Step 2: Convert to fraction form
    11,475.68/17,214.10 = 3,155.49/x
  3. Step 3: Cross multiply
    11,475.68x = 17,214.10 × 3,155.49
  4. Step 4: Simplify right side
    11,475.68x = 54,318,912.52
  5. Step 5: Solve for x
    x = 54,318,912.52/11,475.68
  6. Step 6: Final answer
    x = 4,733.40

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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.