Home / 8,619.99-11,895.26-5,268.41

Finding the Fourth Proportional to 8,619.99, 11,895.26 and 5,268.41

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Solution

The fourth proportional to 8,619.99, 11,895.26 and 5,268.41 is: 7,270.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,619.99 : 11,895.26 = 5,268.41 : x
  2. Step 2: Convert to fraction form
    8,619.99/11,895.26 = 5,268.41/x
  3. Step 3: Cross multiply
    8,619.99x = 11,895.26 × 5,268.41
  4. Step 4: Simplify right side
    8,619.99x = 62,669,065.53
  5. Step 5: Solve for x
    x = 62,669,065.53/8,619.99
  6. Step 6: Final answer
    x = 7,270.20

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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.