Home / 11,840.55-17,763.75-3,520.53

Finding the Fourth Proportional to 11,840.55, 17,763.75 and 3,520.53

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Solution

The fourth proportional to 11,840.55, 17,763.75 and 3,520.53 is: 5,281.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,840.55 : 17,763.75 = 3,520.53 : x
  2. Step 2: Convert to fraction form
    11,840.55/17,763.75 = 3,520.53/x
  3. Step 3: Cross multiply
    11,840.55x = 17,763.75 × 3,520.53
  4. Step 4: Simplify right side
    11,840.55x = 62,537,814.79
  5. Step 5: Solve for x
    x = 62,537,814.79/11,840.55
  6. Step 6: Final answer
    x = 5,281.66

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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.