Home / 8,322.75-11,476.89-5,491.80

Finding the Fourth Proportional to 8,322.75, 11,476.89 and 5,491.80

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Solution

The fourth proportional to 8,322.75, 11,476.89 and 5,491.80 is: 7,573.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,322.75 : 11,476.89 = 5,491.80 : x
  2. Step 2: Convert to fraction form
    8,322.75/11,476.89 = 5,491.80/x
  3. Step 3: Cross multiply
    8,322.75x = 11,476.89 × 5,491.80
  4. Step 4: Simplify right side
    8,322.75x = 63,028,784.50
  5. Step 5: Solve for x
    x = 63,028,784.50/8,322.75
  6. Step 6: Final answer
    x = 7,573.07

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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.