Home / 11,734.71-16,193.28-6,429.42

Finding the Fourth Proportional to 11,734.71, 16,193.28 and 6,429.42

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Solution

The fourth proportional to 11,734.71, 16,193.28 and 6,429.42 is: 8,872.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,734.71 : 16,193.28 = 6,429.42 : x
  2. Step 2: Convert to fraction form
    11,734.71/16,193.28 = 6,429.42/x
  3. Step 3: Cross multiply
    11,734.71x = 16,193.28 × 6,429.42
  4. Step 4: Simplify right side
    11,734.71x = 104,113,398.30
  5. Step 5: Solve for x
    x = 104,113,398.30/11,734.71
  6. Step 6: Final answer
    x = 8,872.26

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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.