Home / 9,136.70-13,710.45-3,292.55

Finding the Fourth Proportional to 9,136.70, 13,710.45 and 3,292.55

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Solution

The fourth proportional to 9,136.70, 13,710.45 and 3,292.55 is: 4,940.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,136.70 : 13,710.45 = 3,292.55 : x
  2. Step 2: Convert to fraction form
    9,136.70/13,710.45 = 3,292.55/x
  3. Step 3: Cross multiply
    9,136.70x = 13,710.45 × 3,292.55
  4. Step 4: Simplify right side
    9,136.70x = 45,142,342.15
  5. Step 5: Solve for x
    x = 45,142,342.15/9,136.70
  6. Step 6: Final answer
    x = 4,940.77

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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.