Home / 11,690.26-16,126.06-7,651.46

Finding the Fourth Proportional to 11,690.26, 16,126.06 and 7,651.46

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Solution

The fourth proportional to 11,690.26, 16,126.06 and 7,651.46 is: 10,554.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,690.26 : 16,126.06 = 7,651.46 : x
  2. Step 2: Convert to fraction form
    11,690.26/16,126.06 = 7,651.46/x
  3. Step 3: Cross multiply
    11,690.26x = 16,126.06 × 7,651.46
  4. Step 4: Simplify right side
    11,690.26x = 123,387,903.05
  5. Step 5: Solve for x
    x = 123,387,903.05/11,690.26
  6. Step 6: Final answer
    x = 10,554.76

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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.