Home / 11,653.20-16,092.88-7,412.24

Finding the Fourth Proportional to 11,653.20, 16,092.88 and 7,412.24

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Solution

The fourth proportional to 11,653.20, 16,092.88 and 7,412.24 is: 10,236.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,653.20 : 16,092.88 = 7,412.24 : x
  2. Step 2: Convert to fraction form
    11,653.20/16,092.88 = 7,412.24/x
  3. Step 3: Cross multiply
    11,653.20x = 16,092.88 × 7,412.24
  4. Step 4: Simplify right side
    11,653.20x = 119,284,310.55
  5. Step 5: Solve for x
    x = 119,284,310.55/11,653.20
  6. Step 6: Final answer
    x = 10,236.18

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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.