Home / 10,871.64-16,307.16-3,476.04

Finding the Fourth Proportional to 10,871.64, 16,307.16 and 3,476.04

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Solution

The fourth proportional to 10,871.64, 16,307.16 and 3,476.04 is: 5,213.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,871.64 : 16,307.16 = 3,476.04 : x
  2. Step 2: Convert to fraction form
    10,871.64/16,307.16 = 3,476.04/x
  3. Step 3: Cross multiply
    10,871.64x = 16,307.16 × 3,476.04
  4. Step 4: Simplify right side
    10,871.64x = 56,684,340.45
  5. Step 5: Solve for x
    x = 56,684,340.45/10,871.64
  6. Step 6: Final answer
    x = 5,213.96

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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.