Home / 11,731.59-16,189.83-7,255.26

Finding the Fourth Proportional to 11,731.59, 16,189.83 and 7,255.26

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Solution

The fourth proportional to 11,731.59, 16,189.83 and 7,255.26 is: 10,012.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,731.59 : 16,189.83 = 7,255.26 : x
  2. Step 2: Convert to fraction form
    11,731.59/16,189.83 = 7,255.26/x
  3. Step 3: Cross multiply
    11,731.59x = 16,189.83 × 7,255.26
  4. Step 4: Simplify right side
    11,731.59x = 117,461,426.01
  5. Step 5: Solve for x
    x = 117,461,426.01/11,731.59
  6. Step 6: Final answer
    x = 10,012.40

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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.