Home / 10,643.25-14,687.68-6,169.60

Finding the Fourth Proportional to 10,643.25, 14,687.68 and 6,169.60

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Solution

The fourth proportional to 10,643.25, 14,687.68 and 6,169.60 is: 8,514.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,643.25 : 14,687.68 = 6,169.60 : x
  2. Step 2: Convert to fraction form
    10,643.25/14,687.68 = 6,169.60/x
  3. Step 3: Cross multiply
    10,643.25x = 14,687.68 × 6,169.60
  4. Step 4: Simplify right side
    10,643.25x = 90,617,037.09
  5. Step 5: Solve for x
    x = 90,617,037.09/10,643.25
  6. Step 6: Final answer
    x = 8,514.04

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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.