Home / 11,785.55-17,683.21-4,770.52

Finding the Fourth Proportional to 11,785.55, 17,683.21 and 4,770.52

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Solution

The fourth proportional to 11,785.55, 17,683.21 and 4,770.52 is: 7,157.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,785.55 : 17,683.21 = 4,770.52 : x
  2. Step 2: Convert to fraction form
    11,785.55/17,683.21 = 4,770.52/x
  3. Step 3: Cross multiply
    11,785.55x = 17,683.21 × 4,770.52
  4. Step 4: Simplify right side
    11,785.55x = 84,358,050.83
  5. Step 5: Solve for x
    x = 84,358,050.83/11,785.55
  6. Step 6: Final answer
    x = 7,157.76

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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.