Home / 11,734.39-16,193.47-6,429.23

Finding the Fourth Proportional to 11,734.39, 16,193.47 and 6,429.23

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Solution

The fourth proportional to 11,734.39, 16,193.47 and 6,429.23 is: 8,872.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,734.39 : 16,193.47 = 6,429.23 : x
  2. Step 2: Convert to fraction form
    11,734.39/16,193.47 = 6,429.23/x
  3. Step 3: Cross multiply
    11,734.39x = 16,193.47 × 6,429.23
  4. Step 4: Simplify right side
    11,734.39x = 104,111,543.13
  5. Step 5: Solve for x
    x = 104,111,543.13/11,734.39
  6. Step 6: Final answer
    x = 8,872.34

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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.