Home / 10,871.16-16,305.66-3,474.29

Finding the Fourth Proportional to 10,871.16, 16,305.66 and 3,474.29

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Solution

The fourth proportional to 10,871.16, 16,305.66 and 3,474.29 is: 5,211.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,871.16 : 16,305.66 = 3,474.29 : x
  2. Step 2: Convert to fraction form
    10,871.16/16,305.66 = 3,474.29/x
  3. Step 3: Cross multiply
    10,871.16x = 16,305.66 × 3,474.29
  4. Step 4: Simplify right side
    10,871.16x = 56,650,509.95
  5. Step 5: Solve for x
    x = 56,650,509.95/10,871.16
  6. Step 6: Final answer
    x = 5,211.08

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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.