Home / 8,136.22-11,199.09-5,774.26

Finding the Fourth Proportional to 8,136.22, 11,199.09 and 5,774.26

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Solution

The fourth proportional to 8,136.22, 11,199.09 and 5,774.26 is: 7,947.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,136.22 : 11,199.09 = 5,774.26 : x
  2. Step 2: Convert to fraction form
    8,136.22/11,199.09 = 5,774.26/x
  3. Step 3: Cross multiply
    8,136.22x = 11,199.09 × 5,774.26
  4. Step 4: Simplify right side
    8,136.22x = 64,666,457.42
  5. Step 5: Solve for x
    x = 64,666,457.42/8,136.22
  6. Step 6: Final answer
    x = 7,947.97

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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.