Home / 11,734.77-16,193.45-6,429.47

Finding the Fourth Proportional to 11,734.77, 16,193.45 and 6,429.47

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Solution

The fourth proportional to 11,734.77, 16,193.45 and 6,429.47 is: 8,872.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,734.77 : 16,193.45 = 6,429.47 : x
  2. Step 2: Convert to fraction form
    11,734.77/16,193.45 = 6,429.47/x
  3. Step 3: Cross multiply
    11,734.77x = 16,193.45 × 6,429.47
  4. Step 4: Simplify right side
    11,734.77x = 104,115,268.82
  5. Step 5: Solve for x
    x = 104,115,268.82/11,734.77
  6. Step 6: Final answer
    x = 8,872.37

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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.