Home / 11,315.08-16,965.80-5,073.96

Finding the Fourth Proportional to 11,315.08, 16,965.80 and 5,073.96

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Solution

The fourth proportional to 11,315.08, 16,965.80 and 5,073.96 is: 7,607.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,315.08 : 16,965.80 = 5,073.96 : x
  2. Step 2: Convert to fraction form
    11,315.08/16,965.80 = 5,073.96/x
  3. Step 3: Cross multiply
    11,315.08x = 16,965.80 × 5,073.96
  4. Step 4: Simplify right side
    11,315.08x = 86,083,722.78
  5. Step 5: Solve for x
    x = 86,083,722.78/11,315.08
  6. Step 6: Final answer
    x = 7,607.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.