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Finding the Fourth Proportional to 11,737.51, 16,198.23 and 6,432.51

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Solution

The fourth proportional to 11,737.51, 16,198.23 and 6,432.51 is: 8,877.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,737.51 : 16,198.23 = 6,432.51 : x
  2. Step 2: Convert to fraction form
    11,737.51/16,198.23 = 6,432.51/x
  3. Step 3: Cross multiply
    11,737.51x = 16,198.23 × 6,432.51
  4. Step 4: Simplify right side
    11,737.51x = 104,195,325.14
  5. Step 5: Solve for x
    x = 104,195,325.14/11,737.51
  6. Step 6: Final answer
    x = 8,877.13

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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.