Home / 8,136.26-11,225-4,779.22

Finding the Fourth Proportional to 8,136.26, 11,225 and 4,779.22

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Solution

The fourth proportional to 8,136.26, 11,225 and 4,779.22 is: 6,593.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,136.26 : 11,225 = 4,779.22 : x
  2. Step 2: Convert to fraction form
    8,136.26/11,225 = 4,779.22/x
  3. Step 3: Cross multiply
    8,136.26x = 11,225 × 4,779.22
  4. Step 4: Simplify right side
    8,136.26x = 53,646,744.50
  5. Step 5: Solve for x
    x = 53,646,744.50/8,136.26
  6. Step 6: Final answer
    x = 6,593.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.