Home / 11,734.18-16,193.28-6,429.10

Finding the Fourth Proportional to 11,734.18, 16,193.28 and 6,429.10

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Solution

The fourth proportional to 11,734.18, 16,193.28 and 6,429.10 is: 8,872.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,734.18 : 16,193.28 = 6,429.10 : x
  2. Step 2: Convert to fraction form
    11,734.18/16,193.28 = 6,429.10/x
  3. Step 3: Cross multiply
    11,734.18x = 16,193.28 × 6,429.10
  4. Step 4: Simplify right side
    11,734.18x = 104,108,216.45
  5. Step 5: Solve for x
    x = 104,108,216.45/11,734.18
  6. Step 6: Final answer
    x = 8,872.22

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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.