Home / 11,737.19-16,197.32-6,431.99

Finding the Fourth Proportional to 11,737.19, 16,197.32 and 6,431.99

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Solution

The fourth proportional to 11,737.19, 16,197.32 and 6,431.99 is: 8,876.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,737.19 : 16,197.32 = 6,431.99 : x
  2. Step 2: Convert to fraction form
    11,737.19/16,197.32 = 6,431.99/x
  3. Step 3: Cross multiply
    11,737.19x = 16,197.32 × 6,431.99
  4. Step 4: Simplify right side
    11,737.19x = 104,180,887.12
  5. Step 5: Solve for x
    x = 104,180,887.12/11,737.19
  6. Step 6: Final answer
    x = 8,876.14

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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.