Home / 11,475.14-17,212.88-4,455.56

Finding the Fourth Proportional to 11,475.14, 17,212.88 and 4,455.56

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Solution

The fourth proportional to 11,475.14, 17,212.88 and 4,455.56 is: 6,683.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,475.14 : 17,212.88 = 4,455.56 : x
  2. Step 2: Convert to fraction form
    11,475.14/17,212.88 = 4,455.56/x
  3. Step 3: Cross multiply
    11,475.14x = 17,212.88 × 4,455.56
  4. Step 4: Simplify right side
    11,475.14x = 76,693,019.61
  5. Step 5: Solve for x
    x = 76,693,019.61/11,475.14
  6. Step 6: Final answer
    x = 6,683.41

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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.