Home / 11,675.24-16,108.96-7,489.16

Finding the Fourth Proportional to 11,675.24, 16,108.96 and 7,489.16

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Solution

The fourth proportional to 11,675.24, 16,108.96 and 7,489.16 is: 10,333.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,675.24 : 16,108.96 = 7,489.16 : x
  2. Step 2: Convert to fraction form
    11,675.24/16,108.96 = 7,489.16/x
  3. Step 3: Cross multiply
    11,675.24x = 16,108.96 × 7,489.16
  4. Step 4: Simplify right side
    11,675.24x = 120,642,578.87
  5. Step 5: Solve for x
    x = 120,642,578.87/11,675.24
  6. Step 6: Final answer
    x = 10,333.20

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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.