Home / 9,136.19-13,704.29-3,291.44

Finding the Fourth Proportional to 9,136.19, 13,704.29 and 3,291.44

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Solution

The fourth proportional to 9,136.19, 13,704.29 and 3,291.44 is: 4,937.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,136.19 : 13,704.29 = 3,291.44 : x
  2. Step 2: Convert to fraction form
    9,136.19/13,704.29 = 3,291.44/x
  3. Step 3: Cross multiply
    9,136.19x = 13,704.29 × 3,291.44
  4. Step 4: Simplify right side
    9,136.19x = 45,106,775.64
  5. Step 5: Solve for x
    x = 45,106,775.64/9,136.19
  6. Step 6: Final answer
    x = 4,937.15

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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.