Home / 9,136.08-13,704.84-4,518

Finding the Fourth Proportional to 9,136.08, 13,704.84 and 4,518

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Solution

The fourth proportional to 9,136.08, 13,704.84 and 4,518 is: 6,777.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,136.08 : 13,704.84 = 4,518 : x
  2. Step 2: Convert to fraction form
    9,136.08/13,704.84 = 4,518/x
  3. Step 3: Cross multiply
    9,136.08x = 13,704.84 × 4,518
  4. Step 4: Simplify right side
    9,136.08x = 61,918,467.12
  5. Step 5: Solve for x
    x = 61,918,467.12/9,136.08
  6. Step 6: Final answer
    x = 6,777.36

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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.